338439400

素因数分解:

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

素因数の和:109

約数の個数: 288

約数和(自身を含む): 980294400

約数和(自身を除く): 641855000

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 25, 26, 31, 34, 38, 40, 50, 52, 62, 65, 68, 76, 85, 95, 100, 104, 124, 130, 136, 152, 155, 169, 170, 190, 200, 221, 247, 248, 260, 310, 323, 325, 338, 340, 380, 403, 425, 442, 475, 494, 520, 527, 589, 620, 646, 650, 676, 680, 760, 775, 806, 845, 850, 884, 950, 988, 1054, 1105, 1178, 1235, 1240, 1292, 1300, 1352, 1550, 1612, 1615, 1690, 1700, 1768, 1900, 1976, 2015, 2108, 2210, 2356, 2470, 2584, 2600, 2635, 2873, 2945, 3100, 3211, 3224, 3230, 3380, 3400, 3800, 4030, 4199, 4216, 4225, 4420, 4712, 4940, 5239, 5270, 5525, 5746, 5890, 6175, 6200, 6422, 6460, 6760, 6851, 7657, 8060, 8075, 8398, 8450, 8840, 9880, 10013, 10075, 10478, 10540, 11050, 11492, 11780, 12350, 12844, 12920, 13175, 13702, 14365, 14725, 15314, 16055, 16120, 16150, 16796, 16900, 20026, 20150, 20956, 20995, 21080, 22100, 22984, 23560, 24700, 25688, 26195, 26350, 27404, 28730, 29450, 30628, 32110, 32300, 33592, 33800, 34255, 38285, 40052, 40300, 41912, 41990, 44200, 49400, 50065, 52390, 52700, 54587, 54808, 57460, 58900, 61256, 64220, 64600, 68510, 71825, 76570, 80104, 80275, 80600, 83980, 89063, 99541, 100130, 104780, 104975, 105400, 109174, 114920, 117800, 128440, 130169, 130975, 137020, 143650, 153140, 160550, 167960, 171275, 178126, 191425, 199082, 200260, 209560, 209950, 218348, 250325, 260338, 261950, 272935, 274040, 287300, 306280, 321100, 342550, 356252, 382850, 398164, 400520, 419900, 436696, 445315, 497705, 500650, 520676, 523900, 545870, 574600, 642200, 650845, 685100, 712504, 765700, 796328, 839800, 890630, 995410, 1001300, 1041352, 1047800, 1091740, 1301690, 1364675, 1370200, 1531400, 1692197, 1781260, 1990820, 2002600, 2183480, 2226575, 2488525, 2603380, 2729350, 3254225, 3384394, 3562520, 3981640, 4453150, 4977050, 5206760, 5458700, 6508450, 6768788, 8460985, 8906300, 9954100, 10917400, 13016900, 13537576, 16921970, 17812600, 19908200, 26033800, 33843940, 42304925, 67687880, 84609850, 169219700, 338439400]

約数ペア:

[(1, 338439400), (2, 169219700), (4, 84609850), (5, 67687880), (8, 42304925), (10, 33843940), (13, 26033800), (17, 19908200), (19, 17812600), (20, 16921970), (25, 13537576), (26, 13016900), (31, 10917400), (34, 9954100), (38, 8906300), (40, 8460985), (50, 6768788), (52, 6508450), (62, 5458700), (65, 5206760), (68, 4977050), (76, 4453150), (85, 3981640), (95, 3562520), (100, 3384394), (104, 3254225), (124, 2729350), (130, 2603380), (136, 2488525), (152, 2226575), (155, 2183480), (169, 2002600), (170, 1990820), (190, 1781260), (200, 1692197), (221, 1531400), (247, 1370200), (248, 1364675), (260, 1301690), (310, 1091740), (323, 1047800), (325, 1041352), (338, 1001300), (340, 995410), (380, 890630), (403, 839800), (425, 796328), (442, 765700), (475, 712504), (494, 685100), (520, 650845), (527, 642200), (589, 574600), (620, 545870), (646, 523900), (650, 520676), (676, 500650), (680, 497705), (760, 445315), (775, 436696), (806, 419900), (845, 400520), (850, 398164), (884, 382850), (950, 356252), (988, 342550), (1054, 321100), (1105, 306280), (1178, 287300), (1235, 274040), (1240, 272935), (1292, 261950), (1300, 260338), (1352, 250325), (1550, 218348), (1612, 209950), (1615, 209560), (1690, 200260), (1700, 199082), (1768, 191425), (1900, 178126), (1976, 171275), (2015, 167960), (2108, 160550), (2210, 153140), (2356, 143650), (2470, 137020), (2584, 130975), (2600, 130169), (2635, 128440), (2873, 117800), (2945, 114920), (3100, 109174), (3211, 105400), (3224, 104975), (3230, 104780), (3380, 100130), (3400, 99541), (3800, 89063), (4030, 83980), (4199, 80600), (4216, 80275), (4225, 80104), (4420, 76570), (4712, 71825), (4940, 68510), (5239, 64600), (5270, 64220), (5525, 61256), (5746, 58900), (5890, 57460), (6175, 54808), (6200, 54587), (6422, 52700), (6460, 52390), (6760, 50065), (6851, 49400), (7657, 44200), (8060, 41990), (8075, 41912), (8398, 40300), (8450, 40052), (8840, 38285), (9880, 34255), (10013, 33800), (10075, 33592), (10478, 32300), (10540, 32110), (11050, 30628), (11492, 29450), (11780, 28730), (12350, 27404), (12844, 26350), (12920, 26195), (13175, 25688), (13702, 24700), (14365, 23560), (14725, 22984), (15314, 22100), (16055, 21080), (16120, 20995), (16150, 20956), (16796, 20150), (16900, 20026)]