123548140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^2\times {\mathrm{383}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 262192896

約数和(自身を除く): 138644756

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 383, 508, 635, 766, 1270, 1532, 1915, 2540, 3830, 7660, 16129, 32258, 48641, 64516, 80645, 97282, 161290, 194564, 243205, 322580, 486410, 972820, 6177407, 12354814, 24709628, 30887035, 61774070, 123548140]

約数ペア:

[(1, 123548140), (2, 61774070), (4, 30887035), (5, 24709628), (10, 12354814), (20, 6177407), (127, 972820), (254, 486410), (383, 322580), (508, 243205), (635, 194564), (766, 161290), (1270, 97282), (1532, 80645), (1915, 64516), (2540, 48641), (3830, 32258), (7660, 16129)]