64893970

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 119070000

約数和(自身を除く): 54176030

約数列:

[1, 2, 5, 10, 97, 149, 194, 298, 449, 485, 745, 898, 970, 1490, 2245, 4490, 14453, 28906, 43553, 66901, 72265, 87106, 133802, 144530, 217765, 334505, 435530, 669010, 6489397, 12978794, 32446985, 64893970]

約数ペア:

[(1, 64893970), (2, 32446985), (5, 12978794), (10, 6489397), (97, 669010), (149, 435530), (194, 334505), (298, 217765), (449, 144530), (485, 133802), (745, 87106), (898, 72265), (970, 66901), (1490, 43553), (2245, 28906), (4490, 14453)]