212967400

素因数分解:

$2^3\times 5^2\times {\mathrm{821}}^1\times {\mathrm{1297}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 496134540

約数和(自身を除く): 283167140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 821, 1297, 1642, 2594, 3284, 4105, 5188, 6485, 6568, 8210, 10376, 12970, 16420, 20525, 25940, 32425, 32840, 41050, 51880, 64850, 82100, 129700, 164200, 259400, 1064837, 2129674, 4259348, 5324185, 8518696, 10648370, 21296740, 26620925, 42593480, 53241850, 106483700, 212967400]

約数ペア:

[(1, 212967400), (2, 106483700), (4, 53241850), (5, 42593480), (8, 26620925), (10, 21296740), (20, 10648370), (25, 8518696), (40, 5324185), (50, 4259348), (100, 2129674), (200, 1064837), (821, 259400), (1297, 164200), (1642, 129700), (2594, 82100), (3284, 64850), (4105, 51880), (5188, 41050), (6485, 32840), (6568, 32425), (8210, 25940), (10376, 20525), (12970, 16420)]