208548260

素因数分解:

$2^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{7297}}^1$

素因数の和:8735

約数の個数: 24

約数和(自身を含む): 438317880

約数和(自身を除く): 229769620

約数列:

[1, 2, 4, 5, 10, 20, 1429, 2858, 5716, 7145, 7297, 14290, 14594, 28580, 29188, 36485, 72970, 145940, 10427413, 20854826, 41709652, 52137065, 104274130, 208548260]

約数ペア:

[(1, 208548260), (2, 104274130), (4, 52137065), (5, 41709652), (10, 20854826), (20, 10427413), (1429, 145940), (2858, 72970), (5716, 36485), (7145, 29188), (7297, 28580), (14290, 14594)]