257541460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1177

約数の個数: 96

約数和(自身を含む): 627419520

約数和(自身を除く): 369878060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 37, 44, 55, 58, 74, 110, 116, 145, 148, 185, 220, 290, 319, 370, 407, 580, 638, 740, 814, 1073, 1091, 1276, 1595, 1628, 2035, 2146, 2182, 3190, 4070, 4292, 4364, 5365, 5455, 6380, 8140, 10730, 10910, 11803, 12001, 21460, 21820, 23606, 24002, 31639, 40367, 47212, 48004, 59015, 60005, 63278, 80734, 118030, 120010, 126556, 158195, 161468, 201835, 236060, 240020, 316390, 348029, 403670, 444037, 632780, 696058, 807340, 888074, 1170643, 1392116, 1740145, 1776148, 2220185, 2341286, 3480290, 4440370, 4682572, 5853215, 6960580, 8880740, 11706430, 12877073, 23412860, 25754146, 51508292, 64385365, 128770730, 257541460]

約数ペア:

[(1, 257541460), (2, 128770730), (4, 64385365), (5, 51508292), (10, 25754146), (11, 23412860), (20, 12877073), (22, 11706430), (29, 8880740), (37, 6960580), (44, 5853215), (55, 4682572), (58, 4440370), (74, 3480290), (110, 2341286), (116, 2220185), (145, 1776148), (148, 1740145), (185, 1392116), (220, 1170643), (290, 888074), (319, 807340), (370, 696058), (407, 632780), (580, 444037), (638, 403670), (740, 348029), (814, 316390), (1073, 240020), (1091, 236060), (1276, 201835), (1595, 161468), (1628, 158195), (2035, 126556), (2146, 120010), (2182, 118030), (3190, 80734), (4070, 63278), (4292, 60005), (4364, 59015), (5365, 48004), (5455, 47212), (6380, 40367), (8140, 31639), (10730, 24002), (10910, 23606), (11803, 21820), (12001, 21460)]