31284730

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 57697920

約数和(自身を除く): 26413190

約数列:

[1, 2, 5, 10, 71, 139, 142, 278, 317, 355, 634, 695, 710, 1390, 1585, 3170, 9869, 19738, 22507, 44063, 45014, 49345, 88126, 98690, 112535, 220315, 225070, 440630, 3128473, 6256946, 15642365, 31284730]

約数ペア:

[(1, 31284730), (2, 15642365), (5, 6256946), (10, 3128473), (71, 440630), (139, 225070), (142, 220315), (278, 112535), (317, 98690), (355, 88126), (634, 49345), (695, 45014), (710, 44063), (1390, 22507), (1585, 19738), (3170, 9869)]