30911020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{220793}}^1$

素因数の和:220809

約数の個数: 24

約数和(自身を含む): 74186784

約数和(自身を除く): 43275764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 220793, 441586, 883172, 1103965, 1545551, 2207930, 3091102, 4415860, 6182204, 7727755, 15455510, 30911020]

約数ペア:

[(1, 30911020), (2, 15455510), (4, 7727755), (5, 6182204), (7, 4415860), (10, 3091102), (14, 2207930), (20, 1545551), (28, 1103965), (35, 883172), (70, 441586), (140, 220793)]