289322390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67757}}^1$

素因数の和:67832

約数の個数: 32

約数和(自身を含む): 604943424

約数和(自身を除く): 315621034

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 67757, 135514, 338785, 474299, 677570, 948598, 2371495, 4133177, 4742990, 8266354, 20665885, 28932239, 41331770, 57864478, 144661195, 289322390]

約数ペア:

[(1, 289322390), (2, 144661195), (5, 57864478), (7, 41331770), (10, 28932239), (14, 20665885), (35, 8266354), (61, 4742990), (70, 4133177), (122, 2371495), (305, 948598), (427, 677570), (610, 474299), (854, 338785), (2135, 135514), (4270, 67757)]