205375720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{42433}}^1$

素因数の和:42466

約数の個数: 48

約数和(自身を含む): 507934980

約数和(自身を除く): 302559260

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 42433, 84866, 169732, 212165, 339464, 424330, 466763, 848660, 933526, 1697320, 1867052, 2333815, 3734104, 4667630, 5134393, 9335260, 10268786, 18670520, 20537572, 25671965, 41075144, 51343930, 102687860, 205375720]

約数ペア:

[(1, 205375720), (2, 102687860), (4, 51343930), (5, 41075144), (8, 25671965), (10, 20537572), (11, 18670520), (20, 10268786), (22, 9335260), (40, 5134393), (44, 4667630), (55, 3734104), (88, 2333815), (110, 1867052), (121, 1697320), (220, 933526), (242, 848660), (440, 466763), (484, 424330), (605, 339464), (968, 212165), (1210, 169732), (2420, 84866), (4840, 42433)]