12305620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2129}}^1$

素因数の和:2172

約数の個数: 36

約数和(自身を含む): 27464220

約数和(自身を除く): 15158600

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2129, 2890, 4258, 5780, 8516, 10645, 21290, 36193, 42580, 72386, 144772, 180965, 361930, 615281, 723860, 1230562, 2461124, 3076405, 6152810, 12305620]

約数ペア:

[(1, 12305620), (2, 6152810), (4, 3076405), (5, 2461124), (10, 1230562), (17, 723860), (20, 615281), (34, 361930), (68, 180965), (85, 144772), (170, 72386), (289, 42580), (340, 36193), (578, 21290), (1156, 10645), (1445, 8516), (2129, 5780), (2890, 4258)]