53780350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 118492416

約数和(自身を除く): 64712066

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 31, 34, 50, 62, 65, 85, 130, 155, 157, 170, 221, 310, 314, 325, 403, 425, 442, 527, 650, 775, 785, 806, 850, 1054, 1105, 1550, 1570, 2015, 2041, 2210, 2635, 2669, 3925, 4030, 4082, 4867, 5270, 5338, 5525, 6851, 7850, 9734, 10075, 10205, 11050, 13175, 13345, 13702, 20150, 20410, 24335, 26350, 26690, 34255, 34697, 48670, 51025, 63271, 66725, 68510, 69394, 82739, 102050, 121675, 126542, 133450, 165478, 171275, 173485, 243350, 316355, 342550, 346970, 413695, 632710, 827390, 867425, 1075607, 1581775, 1734850, 2068475, 2151214, 3163550, 4136950, 5378035, 10756070, 26890175, 53780350]

約数ペア:

[(1, 53780350), (2, 26890175), (5, 10756070), (10, 5378035), (13, 4136950), (17, 3163550), (25, 2151214), (26, 2068475), (31, 1734850), (34, 1581775), (50, 1075607), (62, 867425), (65, 827390), (85, 632710), (130, 413695), (155, 346970), (157, 342550), (170, 316355), (221, 243350), (310, 173485), (314, 171275), (325, 165478), (403, 133450), (425, 126542), (442, 121675), (527, 102050), (650, 82739), (775, 69394), (785, 68510), (806, 66725), (850, 63271), (1054, 51025), (1105, 48670), (1550, 34697), (1570, 34255), (2015, 26690), (2041, 26350), (2210, 24335), (2635, 20410), (2669, 20150), (3925, 13702), (4030, 13345), (4082, 13175), (4867, 11050), (5270, 10205), (5338, 10075), (5525, 9734), (6851, 7850)]