123489140

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{32327}}^1$

素因数の和:32527

約数の個数: 24

約数和(自身を含む): 260692992

約数和(自身を除く): 137203852

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 32327, 64654, 129308, 161635, 323270, 646540, 6174457, 12348914, 24697828, 30872285, 61744570, 123489140]

約数ペア:

[(1, 123489140), (2, 61744570), (4, 30872285), (5, 24697828), (10, 12348914), (20, 6174457), (191, 646540), (382, 323270), (764, 161635), (955, 129308), (1910, 64654), (3820, 32327)]