208538120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{106397}}^1$

素因数の和:106422

約数の個数: 48

約数和(自身を含む): 545821740

約数和(自身を除く): 337283620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 106397, 212794, 425588, 531985, 744779, 851176, 1063970, 1489558, 2127940, 2979116, 3723895, 4255880, 5213453, 5958232, 7447790, 10426906, 14895580, 20853812, 26067265, 29791160, 41707624, 52134530, 104269060, 208538120]

約数ペア:

[(1, 208538120), (2, 104269060), (4, 52134530), (5, 41707624), (7, 29791160), (8, 26067265), (10, 20853812), (14, 14895580), (20, 10426906), (28, 7447790), (35, 5958232), (40, 5213453), (49, 4255880), (56, 3723895), (70, 2979116), (98, 2127940), (140, 1489558), (196, 1063970), (245, 851176), (280, 744779), (392, 531985), (490, 425588), (980, 212794), (1960, 106397)]