490959975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1499}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 888336000

約数和(自身を除く): 397376025

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 397, 825, 1191, 1499, 1985, 4367, 4497, 5955, 7495, 9925, 13101, 16489, 21835, 22485, 29775, 37475, 49467, 65505, 82445, 109175, 112425, 247335, 327525, 412225, 595103, 1236675, 1785309, 2975515, 6546133, 8926545, 14877575, 19638399, 32730665, 44632725, 98191995, 163653325, 490959975]

約数ペア:

[(1, 490959975), (3, 163653325), (5, 98191995), (11, 44632725), (15, 32730665), (25, 19638399), (33, 14877575), (55, 8926545), (75, 6546133), (165, 2975515), (275, 1785309), (397, 1236675), (825, 595103), (1191, 412225), (1499, 327525), (1985, 247335), (4367, 112425), (4497, 109175), (5955, 82445), (7495, 65505), (9925, 49467), (13101, 37475), (16489, 29775), (21835, 22485)]