2458910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 4687200

約数和(自身を除く): 2228290

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 139, 145, 278, 290, 305, 610, 695, 1390, 1769, 3538, 4031, 8062, 8479, 8845, 16958, 17690, 20155, 40310, 42395, 84790, 245891, 491782, 1229455, 2458910]

約数ペア:

[(1, 2458910), (2, 1229455), (5, 491782), (10, 245891), (29, 84790), (58, 42395), (61, 40310), (122, 20155), (139, 17690), (145, 16958), (278, 8845), (290, 8479), (305, 8062), (610, 4031), (695, 3538), (1390, 1769)]