30956860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 71350272

約数和(自身を除く): 40393412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 631, 892, 1115, 1262, 2230, 2453, 2524, 3155, 4460, 4906, 6310, 6941, 9812, 12265, 12620, 13882, 24530, 27764, 34705, 49060, 69410, 138820, 140713, 281426, 562852, 703565, 1407130, 1547843, 2814260, 3095686, 6191372, 7739215, 15478430, 30956860]

約数ペア:

[(1, 30956860), (2, 15478430), (4, 7739215), (5, 6191372), (10, 3095686), (11, 2814260), (20, 1547843), (22, 1407130), (44, 703565), (55, 562852), (110, 281426), (220, 140713), (223, 138820), (446, 69410), (631, 49060), (892, 34705), (1115, 27764), (1262, 24530), (2230, 13882), (2453, 12620), (2524, 12265), (3155, 9812), (4460, 6941), (4906, 6310)]