140213450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12689}}^1$

素因数の和:12731

約数の個数: 48

約数和(自身を含む): 297402840

約数和(自身を除く): 157189390

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 11050, 12689, 25378, 63445, 126890, 164957, 215713, 317225, 329914, 431426, 634450, 824785, 1078565, 1649570, 2157130, 2804269, 4123925, 5392825, 5608538, 8247850, 10785650, 14021345, 28042690, 70106725, 140213450]

約数ペア:

[(1, 140213450), (2, 70106725), (5, 28042690), (10, 14021345), (13, 10785650), (17, 8247850), (25, 5608538), (26, 5392825), (34, 4123925), (50, 2804269), (65, 2157130), (85, 1649570), (130, 1078565), (170, 824785), (221, 634450), (325, 431426), (425, 329914), (442, 317225), (650, 215713), (850, 164957), (1105, 126890), (2210, 63445), (5525, 25378), (11050, 12689)]