940372990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1\times {\mathrm{2099}}^1$

素因数の和:2808

約数の個数: 32

約数和(自身を含む): 1720051200

約数和(自身を除く): 779678210

約数列:

[1, 2, 5, 10, 71, 142, 355, 631, 710, 1262, 2099, 3155, 4198, 6310, 10495, 20990, 44801, 89602, 149029, 224005, 298058, 448010, 745145, 1324469, 1490290, 2648938, 6622345, 13244690, 94037299, 188074598, 470186495, 940372990]

約数ペア:

[(1, 940372990), (2, 470186495), (5, 188074598), (10, 94037299), (71, 13244690), (142, 6622345), (355, 2648938), (631, 1490290), (710, 1324469), (1262, 745145), (2099, 448010), (3155, 298058), (4198, 224005), (6310, 149029), (10495, 89602), (20990, 44801)]