123020870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{251063}}^1$

素因数の和:251084

約数の個数: 24

約数和(自身を含む): 257591664

約数和(自身を除く): 134570794

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 251063, 502126, 1255315, 1757441, 2510630, 3514882, 8787205, 12302087, 17574410, 24604174, 61510435, 123020870]

約数ペア:

[(1, 123020870), (2, 61510435), (5, 24604174), (7, 17574410), (10, 12302087), (14, 8787205), (35, 3514882), (49, 2510630), (70, 1757441), (98, 1255315), (245, 502126), (490, 251063)]