887672620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{4339}}^1$

素因数の和:4594

約数の個数: 48

約数和(自身を含む): 1909565280

約数和(自身を除く): 1021892660

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 193, 212, 265, 386, 530, 772, 965, 1060, 1930, 3860, 4339, 8678, 10229, 17356, 20458, 21695, 40916, 43390, 51145, 86780, 102290, 204580, 229967, 459934, 837427, 919868, 1149835, 1674854, 2299670, 3349708, 4187135, 4599340, 8374270, 16748540, 44383631, 88767262, 177534524, 221918155, 443836310, 887672620]

約数ペア:

[(1, 887672620), (2, 443836310), (4, 221918155), (5, 177534524), (10, 88767262), (20, 44383631), (53, 16748540), (106, 8374270), (193, 4599340), (212, 4187135), (265, 3349708), (386, 2299670), (530, 1674854), (772, 1149835), (965, 919868), (1060, 837427), (1930, 459934), (3860, 229967), (4339, 204580), (8678, 102290), (10229, 86780), (17356, 51145), (20458, 43390), (21695, 40916)]