278320390

素因数分解:

$2^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{45403}}^1$

素因数の和:46023

約数の個数: 16

約数和(自身を含む): 501805008

約数和(自身を除く): 223484618

約数列:

[1, 2, 5, 10, 613, 1226, 3065, 6130, 45403, 90806, 227015, 454030, 27832039, 55664078, 139160195, 278320390]

約数ペア:

[(1, 278320390), (2, 139160195), (5, 55664078), (10, 27832039), (613, 454030), (1226, 227015), (3065, 90806), (6130, 45403)]