208179980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{358931}}^1$

素因数の和:358969

約数の個数: 24

約数和(自身を含む): 452254320

約数和(自身を除く): 244074340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 358931, 717862, 1435724, 1794655, 3589310, 7178620, 10408999, 20817998, 41635996, 52044995, 104089990, 208179980]

約数ペア:

[(1, 208179980), (2, 104089990), (4, 52044995), (5, 41635996), (10, 20817998), (20, 10408999), (29, 7178620), (58, 3589310), (116, 1794655), (145, 1435724), (290, 717862), (580, 358931)]