154721930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 335273472

約数和(自身を除く): 180551542

約数列:

[1, 2, 5, 10, 11, 17, 22, 31, 34, 55, 62, 85, 110, 155, 157, 170, 187, 289, 310, 314, 341, 374, 527, 578, 682, 785, 935, 1054, 1445, 1570, 1705, 1727, 1870, 2635, 2669, 2890, 3179, 3410, 3454, 4867, 5270, 5338, 5797, 6358, 8635, 8959, 9734, 11594, 13345, 15895, 17270, 17918, 24335, 26690, 28985, 29359, 31790, 44795, 45373, 48670, 53537, 57970, 58718, 82739, 89590, 90746, 98549, 107074, 146795, 165478, 197098, 226865, 267685, 293590, 413695, 453730, 492745, 499103, 535370, 827390, 910129, 985490, 998206, 1406563, 1820258, 2495515, 2813126, 4550645, 4991030, 7032815, 9101290, 14065630, 15472193, 30944386, 77360965, 154721930]

約数ペア:

[(1, 154721930), (2, 77360965), (5, 30944386), (10, 15472193), (11, 14065630), (17, 9101290), (22, 7032815), (31, 4991030), (34, 4550645), (55, 2813126), (62, 2495515), (85, 1820258), (110, 1406563), (155, 998206), (157, 985490), (170, 910129), (187, 827390), (289, 535370), (310, 499103), (314, 492745), (341, 453730), (374, 413695), (527, 293590), (578, 267685), (682, 226865), (785, 197098), (935, 165478), (1054, 146795), (1445, 107074), (1570, 98549), (1705, 90746), (1727, 89590), (1870, 82739), (2635, 58718), (2669, 57970), (2890, 53537), (3179, 48670), (3410, 45373), (3454, 44795), (4867, 31790), (5270, 29359), (5338, 28985), (5797, 26690), (6358, 24335), (8635, 17918), (8959, 17270), (9734, 15895), (11594, 13345)]