260338000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 320

約数和(自身を含む): 779950080

約数和(自身を除く): 519612080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 25, 26, 31, 34, 38, 40, 50, 52, 62, 65, 68, 76, 80, 85, 95, 100, 104, 124, 125, 130, 136, 152, 155, 170, 190, 200, 208, 221, 247, 248, 250, 260, 272, 304, 310, 323, 325, 340, 380, 400, 403, 425, 442, 475, 494, 496, 500, 520, 527, 589, 620, 646, 650, 680, 760, 775, 806, 850, 884, 950, 988, 1000, 1040, 1054, 1105, 1178, 1235, 1240, 1292, 1300, 1360, 1520, 1550, 1612, 1615, 1625, 1700, 1768, 1900, 1976, 2000, 2015, 2108, 2125, 2210, 2356, 2375, 2470, 2480, 2584, 2600, 2635, 2945, 3100, 3224, 3230, 3250, 3400, 3536, 3800, 3875, 3952, 4030, 4199, 4216, 4250, 4420, 4712, 4750, 4940, 5168, 5200, 5270, 5525, 5890, 6175, 6200, 6448, 6460, 6500, 6800, 6851, 7600, 7657, 7750, 8060, 8075, 8398, 8432, 8500, 8840, 9424, 9500, 9880, 10013, 10075, 10540, 11050, 11780, 12350, 12400, 12920, 13000, 13175, 13702, 14725, 15314, 15500, 16120, 16150, 16796, 17000, 17680, 19000, 19760, 20026, 20150, 20995, 21080, 22100, 23560, 24700, 25840, 26000, 26350, 27404, 27625, 29450, 30628, 30875, 31000, 32240, 32300, 33592, 34000, 34255, 38000, 38285, 40052, 40300, 40375, 41990, 42160, 44200, 47120, 49400, 50065, 50375, 52700, 54808, 55250, 58900, 61256, 61750, 62000, 64600, 65875, 67184, 68510, 73625, 76570, 80104, 80600, 80750, 83980, 88400, 98800, 100130, 100750, 104975, 105400, 109616, 110500, 117800, 122512, 123500, 129200, 130169, 131750, 137020, 147250, 153140, 160208, 161200, 161500, 167960, 171275, 191425, 200260, 201500, 209950, 210800, 221000, 235600, 247000, 250325, 260338, 263500, 274040, 294500, 306280, 323000, 335920, 342550, 382850, 400520, 403000, 419900, 442000, 494000, 500650, 520676, 524875, 527000, 548080, 589000, 612560, 646000, 650845, 685100, 765700, 801040, 806000, 839800, 856375, 957125, 1001300, 1041352, 1049750, 1054000, 1178000, 1251625, 1301690, 1370200, 1531400, 1679600, 1712750, 1914250, 2002600, 2082704, 2099500, 2503250, 2603380, 2740400, 3062800, 3254225, 3425500, 3828500, 4005200, 4199000, 5006500, 5206760, 6508450, 6851000, 7657000, 8398000, 10013000, 10413520, 13016900, 13702000, 15314000, 16271125, 20026000, 26033800, 32542250, 52067600, 65084500, 130169000, 260338000]

約数ペア:

[(1, 260338000), (2, 130169000), (4, 65084500), (5, 52067600), (8, 32542250), (10, 26033800), (13, 20026000), (16, 16271125), (17, 15314000), (19, 13702000), (20, 13016900), (25, 10413520), (26, 10013000), (31, 8398000), (34, 7657000), (38, 6851000), (40, 6508450), (50, 5206760), (52, 5006500), (62, 4199000), (65, 4005200), (68, 3828500), (76, 3425500), (80, 3254225), (85, 3062800), (95, 2740400), (100, 2603380), (104, 2503250), (124, 2099500), (125, 2082704), (130, 2002600), (136, 1914250), (152, 1712750), (155, 1679600), (170, 1531400), (190, 1370200), (200, 1301690), (208, 1251625), (221, 1178000), (247, 1054000), (248, 1049750), (250, 1041352), (260, 1001300), (272, 957125), (304, 856375), (310, 839800), (323, 806000), (325, 801040), (340, 765700), (380, 685100), (400, 650845), (403, 646000), (425, 612560), (442, 589000), (475, 548080), (494, 527000), (496, 524875), (500, 520676), (520, 500650), (527, 494000), (589, 442000), (620, 419900), (646, 403000), (650, 400520), (680, 382850), (760, 342550), (775, 335920), (806, 323000), (850, 306280), (884, 294500), (950, 274040), (988, 263500), (1000, 260338), (1040, 250325), (1054, 247000), (1105, 235600), (1178, 221000), (1235, 210800), (1240, 209950), (1292, 201500), (1300, 200260), (1360, 191425), (1520, 171275), (1550, 167960), (1612, 161500), (1615, 161200), (1625, 160208), (1700, 153140), (1768, 147250), (1900, 137020), (1976, 131750), (2000, 130169), (2015, 129200), (2108, 123500), (2125, 122512), (2210, 117800), (2356, 110500), (2375, 109616), (2470, 105400), (2480, 104975), (2584, 100750), (2600, 100130), (2635, 98800), (2945, 88400), (3100, 83980), (3224, 80750), (3230, 80600), (3250, 80104), (3400, 76570), (3536, 73625), (3800, 68510), (3875, 67184), (3952, 65875), (4030, 64600), (4199, 62000), (4216, 61750), (4250, 61256), (4420, 58900), (4712, 55250), (4750, 54808), (4940, 52700), (5168, 50375), (5200, 50065), (5270, 49400), (5525, 47120), (5890, 44200), (6175, 42160), (6200, 41990), (6448, 40375), (6460, 40300), (6500, 40052), (6800, 38285), (6851, 38000), (7600, 34255), (7657, 34000), (7750, 33592), (8060, 32300), (8075, 32240), (8398, 31000), (8432, 30875), (8500, 30628), (8840, 29450), (9424, 27625), (9500, 27404), (9880, 26350), (10013, 26000), (10075, 25840), (10540, 24700), (11050, 23560), (11780, 22100), (12350, 21080), (12400, 20995), (12920, 20150), (13000, 20026), (13175, 19760), (13702, 19000), (14725, 17680), (15314, 17000), (15500, 16796), (16120, 16150)]