2017755020

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{3209}}^1$

素因数の和:3578

約数の個数: 48

約数和(自身を含む): 4287276000

約数和(自身を除く): 2269520980

約数列:

[1, 2, 4, 5, 10, 20, 149, 211, 298, 422, 596, 745, 844, 1055, 1490, 2110, 2980, 3209, 4220, 6418, 12836, 16045, 31439, 32090, 62878, 64180, 125756, 157195, 314390, 478141, 628780, 677099, 956282, 1354198, 1912564, 2390705, 2708396, 3385495, 4781410, 6770990, 9562820, 13541980, 100887751, 201775502, 403551004, 504438755, 1008877510, 2017755020]

約数ペア:

[(1, 2017755020), (2, 1008877510), (4, 504438755), (5, 403551004), (10, 201775502), (20, 100887751), (149, 13541980), (211, 9562820), (298, 6770990), (422, 4781410), (596, 3385495), (745, 2708396), (844, 2390705), (1055, 1912564), (1490, 1354198), (2110, 956282), (2980, 677099), (3209, 628780), (4220, 478141), (6418, 314390), (12836, 157195), (16045, 125756), (31439, 64180), (32090, 62878)]