557381950

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{797}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 1057994784

約数和(自身を除く): 500612834

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 197, 355, 394, 710, 797, 985, 1594, 1775, 1970, 3550, 3985, 4925, 7970, 9850, 13987, 19925, 27974, 39850, 56587, 69935, 113174, 139870, 157009, 282935, 314018, 349675, 565870, 699350, 785045, 1414675, 1570090, 2829350, 3925225, 7850450, 11147639, 22295278, 55738195, 111476390, 278690975, 557381950]

約数ペア:

[(1, 557381950), (2, 278690975), (5, 111476390), (10, 55738195), (25, 22295278), (50, 11147639), (71, 7850450), (142, 3925225), (197, 2829350), (355, 1570090), (394, 1414675), (710, 785045), (797, 699350), (985, 565870), (1594, 349675), (1775, 314018), (1970, 282935), (3550, 157009), (3985, 139870), (4925, 113174), (7970, 69935), (9850, 56587), (13987, 39850), (19925, 27974)]