289206140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{628709}}^1$

素因数の和:628741

約数の個数: 24

約数和(自身を含む): 633739680

約数和(自身を除く): 344533540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 628709, 1257418, 2514836, 3143545, 6287090, 12574180, 14460307, 28920614, 57841228, 72301535, 144603070, 289206140]

約数ペア:

[(1, 289206140), (2, 144603070), (4, 72301535), (5, 57841228), (10, 28920614), (20, 14460307), (23, 12574180), (46, 6287090), (92, 3143545), (115, 2514836), (230, 1257418), (460, 628709)]