204636880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{365423}}^1$

素因数の和:365443

約数の個数: 40

約数和(自身を含む): 543750912

約数和(自身を除く): 339114032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 365423, 730846, 1461692, 1827115, 2557961, 2923384, 3654230, 5115922, 5846768, 7308460, 10231844, 12789805, 14616920, 20463688, 25579610, 29233840, 40927376, 51159220, 102318440, 204636880]

約数ペア:

[(1, 204636880), (2, 102318440), (4, 51159220), (5, 40927376), (7, 29233840), (8, 25579610), (10, 20463688), (14, 14616920), (16, 12789805), (20, 10231844), (28, 7308460), (35, 5846768), (40, 5115922), (56, 3654230), (70, 2923384), (80, 2557961), (112, 1827115), (140, 1461692), (280, 730846), (560, 365423)]