500650000

素因数分解:

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

素因数の和:100

約数の個数: 240

約数和(自身を含む): 1394910720

約数和(自身を除く): 894260720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 31, 34, 38, 40, 50, 62, 68, 76, 80, 85, 95, 100, 124, 125, 136, 152, 155, 170, 190, 200, 248, 250, 272, 304, 310, 323, 340, 380, 400, 425, 475, 496, 500, 527, 589, 620, 625, 646, 680, 760, 775, 850, 950, 1000, 1054, 1178, 1240, 1250, 1292, 1360, 1520, 1550, 1615, 1700, 1900, 2000, 2108, 2125, 2356, 2375, 2480, 2500, 2584, 2635, 2945, 3100, 3125, 3230, 3400, 3800, 3875, 4216, 4250, 4712, 4750, 5000, 5168, 5270, 5890, 6200, 6250, 6460, 6800, 7600, 7750, 8075, 8432, 8500, 9424, 9500, 10000, 10013, 10540, 10625, 11780, 11875, 12400, 12500, 12920, 13175, 14725, 15500, 16150, 17000, 19000, 19375, 20026, 21080, 21250, 23560, 23750, 25000, 25840, 26350, 29450, 31000, 32300, 34000, 38000, 38750, 40052, 40375, 42160, 42500, 47120, 47500, 50000, 50065, 52700, 53125, 58900, 59375, 62000, 64600, 65875, 73625, 77500, 80104, 80750, 85000, 95000, 96875, 100130, 105400, 106250, 117800, 118750, 129200, 131750, 147250, 155000, 160208, 161500, 170000, 190000, 193750, 200260, 201875, 210800, 212500, 235600, 237500, 250325, 263500, 294500, 310000, 323000, 329375, 368125, 387500, 400520, 403750, 425000, 475000, 500650, 527000, 589000, 646000, 658750, 736250, 775000, 801040, 807500, 850000, 950000, 1001300, 1009375, 1054000, 1178000, 1251625, 1317500, 1472500, 1550000, 1615000, 1646875, 1840625, 2002600, 2018750, 2503250, 2635000, 2945000, 3230000, 3293750, 3681250, 4005200, 4037500, 5006500, 5270000, 5890000, 6258125, 6587500, 7362500, 8075000, 10013000, 12516250, 13175000, 14725000, 16150000, 20026000, 25032500, 26350000, 29450000, 31290625, 50065000, 62581250, 100130000, 125162500, 250325000, 500650000]

約数ペア:

[(1, 500650000), (2, 250325000), (4, 125162500), (5, 100130000), (8, 62581250), (10, 50065000), (16, 31290625), (17, 29450000), (19, 26350000), (20, 25032500), (25, 20026000), (31, 16150000), (34, 14725000), (38, 13175000), (40, 12516250), (50, 10013000), (62, 8075000), (68, 7362500), (76, 6587500), (80, 6258125), (85, 5890000), (95, 5270000), (100, 5006500), (124, 4037500), (125, 4005200), (136, 3681250), (152, 3293750), (155, 3230000), (170, 2945000), (190, 2635000), (200, 2503250), (248, 2018750), (250, 2002600), (272, 1840625), (304, 1646875), (310, 1615000), (323, 1550000), (340, 1472500), (380, 1317500), (400, 1251625), (425, 1178000), (475, 1054000), (496, 1009375), (500, 1001300), (527, 950000), (589, 850000), (620, 807500), (625, 801040), (646, 775000), (680, 736250), (760, 658750), (775, 646000), (850, 589000), (950, 527000), (1000, 500650), (1054, 475000), (1178, 425000), (1240, 403750), (1250, 400520), (1292, 387500), (1360, 368125), (1520, 329375), (1550, 323000), (1615, 310000), (1700, 294500), (1900, 263500), (2000, 250325), (2108, 237500), (2125, 235600), (2356, 212500), (2375, 210800), (2480, 201875), (2500, 200260), (2584, 193750), (2635, 190000), (2945, 170000), (3100, 161500), (3125, 160208), (3230, 155000), (3400, 147250), (3800, 131750), (3875, 129200), (4216, 118750), (4250, 117800), (4712, 106250), (4750, 105400), (5000, 100130), (5168, 96875), (5270, 95000), (5890, 85000), (6200, 80750), (6250, 80104), (6460, 77500), (6800, 73625), (7600, 65875), (7750, 64600), (8075, 62000), (8432, 59375), (8500, 58900), (9424, 53125), (9500, 52700), (10000, 50065), (10013, 50000), (10540, 47500), (10625, 47120), (11780, 42500), (11875, 42160), (12400, 40375), (12500, 40052), (12920, 38750), (13175, 38000), (14725, 34000), (15500, 32300), (16150, 31000), (17000, 29450), (19000, 26350), (19375, 25840), (20026, 25000), (21080, 23750), (21250, 23560)]