31304961640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{181457}}^1$

素因数の和:181714

約数の個数: 64

約数和(自身を含む): 74470363200

約数和(自身を除く): 43165401560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 227, 380, 454, 760, 908, 1135, 1816, 2270, 4313, 4540, 8626, 9080, 17252, 21565, 34504, 43130, 86260, 172520, 181457, 362914, 725828, 907285, 1451656, 1814570, 3447683, 3629140, 6895366, 7258280, 13790732, 17238415, 27581464, 34476830, 41190739, 68953660, 82381478, 137907320, 164762956, 205953695, 329525912, 411907390, 782624041, 823814780, 1565248082, 1647629560, 3130496164, 3913120205, 6260992328, 7826240410, 15652480820, 31304961640]

約数ペア:

[(1, 31304961640), (2, 15652480820), (4, 7826240410), (5, 6260992328), (8, 3913120205), (10, 3130496164), (19, 1647629560), (20, 1565248082), (38, 823814780), (40, 782624041), (76, 411907390), (95, 329525912), (152, 205953695), (190, 164762956), (227, 137907320), (380, 82381478), (454, 68953660), (760, 41190739), (908, 34476830), (1135, 27581464), (1816, 17238415), (2270, 13790732), (4313, 7258280), (4540, 6895366), (8626, 3629140), (9080, 3447683), (17252, 1814570), (21565, 1451656), (34504, 907285), (43130, 725828), (86260, 362914), (172520, 181457)]