331396960

素因数分解:

$2^5\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2351}}^1$

素因数の和:3247

約数の個数: 48

約数和(自身を含む): 784147392

約数和(自身を除く): 452750432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 881, 1762, 2351, 3524, 4405, 4702, 7048, 8810, 9404, 11755, 14096, 17620, 18808, 23510, 28192, 35240, 37616, 47020, 70480, 75232, 94040, 140960, 188080, 376160, 2071231, 4142462, 8284924, 10356155, 16569848, 20712310, 33139696, 41424620, 66279392, 82849240, 165698480, 331396960]

約数ペア:

[(1, 331396960), (2, 165698480), (4, 82849240), (5, 66279392), (8, 41424620), (10, 33139696), (16, 20712310), (20, 16569848), (32, 10356155), (40, 8284924), (80, 4142462), (160, 2071231), (881, 376160), (1762, 188080), (2351, 140960), (3524, 94040), (4405, 75232), (4702, 70480), (7048, 47020), (8810, 37616), (9404, 35240), (11755, 28192), (14096, 23510), (17620, 18808)]