1688702990

素因数分解:

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

素因数の和:382

約数の個数: 96

約数和(自身を含む): 3600785664

約数和(自身を除く): 1912082674

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 85, 130, 155, 157, 170, 221, 310, 314, 403, 442, 527, 785, 806, 1054, 1105, 1570, 2015, 2041, 2210, 2635, 2669, 4030, 4082, 4867, 5270, 5338, 6851, 9734, 10205, 13345, 13702, 20410, 24335, 24649, 26690, 34255, 34697, 48670, 49298, 63271, 68510, 69394, 82739, 123245, 126542, 165478, 173485, 246490, 316355, 320437, 346970, 413695, 419033, 632710, 640874, 764119, 827390, 838066, 1075607, 1528238, 1602185, 2095165, 2151214, 3204370, 3820595, 4190330, 5378035, 5447429, 7641190, 9933547, 10756070, 10894858, 12990023, 19867094, 25980046, 27237145, 49667735, 54474290, 64950115, 99335470, 129900230, 168870299, 337740598, 844351495, 1688702990]

約数ペア:

[(1, 1688702990), (2, 844351495), (5, 337740598), (10, 168870299), (13, 129900230), (17, 99335470), (26, 64950115), (31, 54474290), (34, 49667735), (62, 27237145), (65, 25980046), (85, 19867094), (130, 12990023), (155, 10894858), (157, 10756070), (170, 9933547), (221, 7641190), (310, 5447429), (314, 5378035), (403, 4190330), (442, 3820595), (527, 3204370), (785, 2151214), (806, 2095165), (1054, 1602185), (1105, 1528238), (1570, 1075607), (2015, 838066), (2041, 827390), (2210, 764119), (2635, 640874), (2669, 632710), (4030, 419033), (4082, 413695), (4867, 346970), (5270, 320437), (5338, 316355), (6851, 246490), (9734, 173485), (10205, 165478), (13345, 126542), (13702, 123245), (20410, 82739), (24335, 69394), (24649, 68510), (26690, 63271), (34255, 49298), (34697, 48670)]