2017788380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1\times {\mathrm{1621}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 4286362080

約数和(自身を除く): 2268573700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 571, 1090, 1142, 1621, 2180, 2284, 2855, 3242, 5710, 6484, 8105, 11420, 16210, 32420, 62239, 124478, 176689, 248956, 311195, 353378, 622390, 706756, 883445, 925591, 1244780, 1766890, 1851182, 3533780, 3702364, 4627955, 9255910, 18511820, 100889419, 201778838, 403557676, 504447095, 1008894190, 2017788380]

約数ペア:

[(1, 2017788380), (2, 1008894190), (4, 504447095), (5, 403557676), (10, 201778838), (20, 100889419), (109, 18511820), (218, 9255910), (436, 4627955), (545, 3702364), (571, 3533780), (1090, 1851182), (1142, 1766890), (1621, 1244780), (2180, 925591), (2284, 883445), (2855, 706756), (3242, 622390), (5710, 353378), (6484, 311195), (8105, 248956), (11420, 176689), (16210, 124478), (32420, 62239)]