38926990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 72900000

約数和(自身を除く): 33973010

約数列:

[1, 2, 5, 10, 29, 58, 145, 269, 290, 499, 538, 998, 1345, 2495, 2690, 4990, 7801, 14471, 15602, 28942, 39005, 72355, 78010, 134231, 144710, 268462, 671155, 1342310, 3892699, 7785398, 19463495, 38926990]

約数ペア:

[(1, 38926990), (2, 19463495), (5, 7785398), (10, 3892699), (29, 1342310), (58, 671155), (145, 268462), (269, 144710), (290, 134231), (499, 78010), (538, 72355), (998, 39005), (1345, 28942), (2495, 15602), (2690, 14471), (4990, 7801)]