221490010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{3164143}}^1$

素因数の和:3164157

約数の個数: 16

約数和(自身を含む): 455636736

約数和(自身を除く): 234146726

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 3164143, 6328286, 15820715, 22149001, 31641430, 44298002, 110745005, 221490010]

約数ペア:

[(1, 221490010), (2, 110745005), (5, 44298002), (7, 31641430), (10, 22149001), (14, 15820715), (35, 6328286), (70, 3164143)]