398804960

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{10429}}^1$

素因数の和:10683

約数の個数: 48

約数和(自身を含む): 946209600

約数和(自身を除く): 547404640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 7648, 9560, 10429, 19120, 20858, 38240, 41716, 52145, 83432, 104290, 166864, 208580, 333728, 417160, 834320, 1668640, 2492531, 4985062, 9970124, 12462655, 19940248, 24925310, 39880496, 49850620, 79760992, 99701240, 199402480, 398804960]

約数ペア:

[(1, 398804960), (2, 199402480), (4, 99701240), (5, 79760992), (8, 49850620), (10, 39880496), (16, 24925310), (20, 19940248), (32, 12462655), (40, 9970124), (80, 4985062), (160, 2492531), (239, 1668640), (478, 834320), (956, 417160), (1195, 333728), (1912, 208580), (2390, 166864), (3824, 104290), (4780, 83432), (7648, 52145), (9560, 41716), (10429, 38240), (19120, 20858)]