811146820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127139}}^1$

素因数の和:127188

約数の個数: 48

約数和(自身を含む): 1922356800

約数和(自身を除く): 1111209980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 127139, 254278, 508556, 635695, 1271390, 1398529, 2542780, 2797058, 3687031, 5594116, 6992645, 7374062, 13985290, 14748124, 18435155, 27970580, 36870310, 40557341, 73740620, 81114682, 162229364, 202786705, 405573410, 811146820]

約数ペア:

[(1, 811146820), (2, 405573410), (4, 202786705), (5, 162229364), (10, 81114682), (11, 73740620), (20, 40557341), (22, 36870310), (29, 27970580), (44, 18435155), (55, 14748124), (58, 13985290), (110, 7374062), (116, 6992645), (145, 5594116), (220, 3687031), (290, 2797058), (319, 2542780), (580, 1398529), (638, 1271390), (1276, 635695), (1595, 508556), (3190, 254278), (6380, 127139)]