31031180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 69242880

約数和(自身を除く): 38211700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 380, 508, 635, 643, 1270, 1286, 2413, 2540, 2572, 3215, 4826, 6430, 9652, 12065, 12217, 12860, 24130, 24434, 48260, 48868, 61085, 81661, 122170, 163322, 244340, 326644, 408305, 816610, 1551559, 1633220, 3103118, 6206236, 7757795, 15515590, 31031180]

約数ペア:

[(1, 31031180), (2, 15515590), (4, 7757795), (5, 6206236), (10, 3103118), (19, 1633220), (20, 1551559), (38, 816610), (76, 408305), (95, 326644), (127, 244340), (190, 163322), (254, 122170), (380, 81661), (508, 61085), (635, 48868), (643, 48260), (1270, 24434), (1286, 24130), (2413, 12860), (2540, 12217), (2572, 12065), (3215, 9652), (4826, 6430)]