209364201220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{171610001}}^1$

素因数の和:171610071

約数の個数: 24

約数和(自身を含む): 446872445208

約数和(自身を除く): 237508243988

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 171610001, 343220002, 686440004, 858050005, 1716100010, 3432200020, 10468210061, 20936420122, 41872840244, 52341050305, 104682100610, 209364201220]

約数ペア:

[(1, 209364201220), (2, 104682100610), (4, 52341050305), (5, 41872840244), (10, 20936420122), (20, 10468210061), (61, 3432200020), (122, 1716100010), (244, 858050005), (305, 686440004), (610, 343220002), (1220, 171610001)]