287489090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4106987}}^1$

素因数の和:4107001

約数の個数: 16

約数和(自身を含む): 591406272

約数和(自身を除く): 303917182

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4106987, 8213974, 20534935, 28748909, 41069870, 57497818, 143744545, 287489090]

約数ペア:

[(1, 287489090), (2, 143744545), (5, 57497818), (7, 41069870), (10, 28748909), (14, 20534935), (35, 8213974), (70, 4106987)]