90706780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3637}}^1$

素因数の和:3718

約数の個数: 48

約数和(自身を含む): 201690720

約数和(自身を除く): 110983940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 2494, 3637, 4988, 6235, 7274, 12470, 14548, 18185, 24940, 36370, 72740, 105473, 156391, 210946, 312782, 421892, 527365, 625564, 781955, 1054730, 1563910, 2109460, 3127820, 4535339, 9070678, 18141356, 22676695, 45353390, 90706780]

約数ペア:

[(1, 90706780), (2, 45353390), (4, 22676695), (5, 18141356), (10, 9070678), (20, 4535339), (29, 3127820), (43, 2109460), (58, 1563910), (86, 1054730), (116, 781955), (145, 625564), (172, 527365), (215, 421892), (290, 312782), (430, 210946), (580, 156391), (860, 105473), (1247, 72740), (2494, 36370), (3637, 24940), (4988, 18185), (6235, 14548), (7274, 12470)]