71189140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1279}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 171601920

約数和(自身を除く): 100412780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 1279, 2420, 2530, 2558, 2783, 5060, 5116, 5566, 6395, 11132, 12790, 13915, 14069, 25580, 27830, 28138, 29417, 55660, 56276, 58834, 70345, 117668, 140690, 147085, 154759, 281380, 294170, 309518, 323587, 588340, 619036, 647174, 773795, 1294348, 1547590, 1617935, 3095180, 3235870, 3559457, 6471740, 7118914, 14237828, 17797285, 35594570, 71189140]

約数ペア:

[(1, 71189140), (2, 35594570), (4, 17797285), (5, 14237828), (10, 7118914), (11, 6471740), (20, 3559457), (22, 3235870), (23, 3095180), (44, 1617935), (46, 1547590), (55, 1294348), (92, 773795), (110, 647174), (115, 619036), (121, 588340), (220, 323587), (230, 309518), (242, 294170), (253, 281380), (460, 154759), (484, 147085), (506, 140690), (605, 117668), (1012, 70345), (1210, 58834), (1265, 56276), (1279, 55660), (2420, 29417), (2530, 28138), (2558, 27830), (2783, 25580), (5060, 14069), (5116, 13915), (5566, 12790), (6395, 11132)]