490639620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199447}}^1$

素因数の和:199500

約数の個数: 48

約数和(自身を含む): 1407305088

約数和(自身を除く): 916665468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 199447, 398894, 598341, 797788, 997235, 1196682, 1994470, 2393364, 2991705, 3988940, 5983410, 8177327, 11966820, 16354654, 24531981, 32709308, 40886635, 49063962, 81773270, 98127924, 122659905, 163546540, 245319810, 490639620]

約数ペア:

[(1, 490639620), (2, 245319810), (3, 163546540), (4, 122659905), (5, 98127924), (6, 81773270), (10, 49063962), (12, 40886635), (15, 32709308), (20, 24531981), (30, 16354654), (41, 11966820), (60, 8177327), (82, 5983410), (123, 3988940), (164, 2991705), (205, 2393364), (246, 1994470), (410, 1196682), (492, 997235), (615, 797788), (820, 598341), (1230, 398894), (2460, 199447)]