157022180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15797}}^1$

素因数の和:15884

約数の個数: 48

約数和(自身を含む): 382185216

約数和(自身を除く): 225163036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 15797, 31594, 63188, 78985, 110579, 157970, 221158, 315940, 442316, 552895, 1105790, 1121587, 2211580, 2243174, 4486348, 5607935, 7851109, 11215870, 15702218, 22431740, 31404436, 39255545, 78511090, 157022180]

約数ペア:

[(1, 157022180), (2, 78511090), (4, 39255545), (5, 31404436), (7, 22431740), (10, 15702218), (14, 11215870), (20, 7851109), (28, 5607935), (35, 4486348), (70, 2243174), (71, 2211580), (140, 1121587), (142, 1105790), (284, 552895), (355, 442316), (497, 315940), (710, 221158), (994, 157970), (1420, 110579), (1988, 78985), (2485, 63188), (4970, 31594), (9940, 15797)]