263400770

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{1063}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 482630400

約数和(自身を除く): 219229630

約数列:

[1, 2, 5, 10, 71, 142, 349, 355, 698, 710, 1063, 1745, 2126, 3490, 5315, 10630, 24779, 49558, 75473, 123895, 150946, 247790, 370987, 377365, 741974, 754730, 1854935, 3709870, 26340077, 52680154, 131700385, 263400770]

約数ペア:

[(1, 263400770), (2, 131700385), (5, 52680154), (10, 26340077), (71, 3709870), (142, 1854935), (349, 754730), (355, 741974), (698, 377365), (710, 370987), (1063, 247790), (1745, 150946), (2126, 123895), (3490, 75473), (5315, 49558), (10630, 24779)]