208701620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{222023}}^1$

素因数の和:222079

約数の個数: 24

約数和(自身を含む): 447600384

約数和(自身を除く): 238898764

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 222023, 444046, 888092, 1110115, 2220230, 4440460, 10435081, 20870162, 41740324, 52175405, 104350810, 208701620]

約数ペア:

[(1, 208701620), (2, 104350810), (4, 52175405), (5, 41740324), (10, 20870162), (20, 10435081), (47, 4440460), (94, 2220230), (188, 1110115), (235, 888092), (470, 444046), (940, 222023)]