78327620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{559483}}^1$

素因数の和:559499

約数の個数: 24

約数和(自身を含む): 187986624

約数和(自身を除く): 109659004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 559483, 1118966, 2237932, 2797415, 3916381, 5594830, 7832762, 11189660, 15665524, 19581905, 39163810, 78327620]

約数ペア:

[(1, 78327620), (2, 39163810), (4, 19581905), (5, 15665524), (7, 11189660), (10, 7832762), (14, 5594830), (20, 3916381), (28, 2797415), (35, 2237932), (70, 1118966), (140, 559483)]