211364870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{853}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 387374400

約数和(自身を除く): 176009530

約数列:

[1, 2, 5, 10, 71, 142, 349, 355, 698, 710, 853, 1706, 1745, 3490, 4265, 8530, 24779, 49558, 60563, 121126, 123895, 247790, 297697, 302815, 595394, 605630, 1488485, 2976970, 21136487, 42272974, 105682435, 211364870]

約数ペア:

[(1, 211364870), (2, 105682435), (5, 42272974), (10, 21136487), (71, 2976970), (142, 1488485), (349, 605630), (355, 595394), (698, 302815), (710, 297697), (853, 247790), (1706, 123895), (1745, 121126), (3490, 60563), (4265, 49558), (8530, 24779)]