401023280620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{282410761}}^1$

素因数の和:282410841

約数の個数: 24

約数和(自身を含む): 854010144288

約数和(自身を除く): 452986863668

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 282410761, 564821522, 1129643044, 1412053805, 2824107610, 5648215220, 20051164031, 40102328062, 80204656124, 100255820155, 200511640310, 401023280620]

約数ペア:

[(1, 401023280620), (2, 200511640310), (4, 100255820155), (5, 80204656124), (10, 40102328062), (20, 20051164031), (71, 5648215220), (142, 2824107610), (284, 1412053805), (355, 1129643044), (710, 564821522), (1420, 282410761)]