90962990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2111}}^1$

素因数の和:2288

約数の個数: 32

約数和(自身を含む): 170311680

約数和(自身を除く): 79348690

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 1390, 2111, 4222, 4309, 8618, 10555, 21110, 21545, 43090, 65441, 130882, 293429, 327205, 586858, 654410, 1467145, 2934290, 9096299, 18192598, 45481495, 90962990]

約数ペア:

[(1, 90962990), (2, 45481495), (5, 18192598), (10, 9096299), (31, 2934290), (62, 1467145), (139, 654410), (155, 586858), (278, 327205), (310, 293429), (695, 130882), (1390, 65441), (2111, 43090), (4222, 21545), (4309, 21110), (8618, 10555)]