981740

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 2080512

約数和(自身を除く): 1098772

約数列:

[1, 2, 4, 5, 10, 20, 191, 257, 382, 514, 764, 955, 1028, 1285, 1910, 2570, 3820, 5140, 49087, 98174, 196348, 245435, 490870, 981740]

約数ペア:

[(1, 981740), (2, 490870), (4, 245435), (5, 196348), (10, 98174), (20, 49087), (191, 5140), (257, 3820), (382, 2570), (514, 1910), (764, 1285), (955, 1028)]