228217640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{815063}}^1$

素因数の和:815081

約数の個数: 32

約数和(自身を含む): 586846080

約数和(自身を除く): 358628440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 815063, 1630126, 3260252, 4075315, 5705441, 6520504, 8150630, 11410882, 16301260, 22821764, 28527205, 32602520, 45643528, 57054410, 114108820, 228217640]

約数ペア:

[(1, 228217640), (2, 114108820), (4, 57054410), (5, 45643528), (7, 32602520), (8, 28527205), (10, 22821764), (14, 16301260), (20, 11410882), (28, 8150630), (35, 6520504), (40, 5705441), (56, 4075315), (70, 3260252), (140, 1630126), (280, 815063)]