221036740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2473}}^1$

素因数の和:2632

約数の個数: 48

約数和(自身を含む): 480054960

約数和(自身を除く): 259018220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 1090, 2180, 2473, 4469, 4946, 8938, 9892, 12365, 17876, 22345, 24730, 44690, 49460, 89380, 101393, 202786, 269557, 405572, 506965, 539114, 1013930, 1078228, 1347785, 2027860, 2695570, 5391140, 11051837, 22103674, 44207348, 55259185, 110518370, 221036740]

約数ペア:

[(1, 221036740), (2, 110518370), (4, 55259185), (5, 44207348), (10, 22103674), (20, 11051837), (41, 5391140), (82, 2695570), (109, 2027860), (164, 1347785), (205, 1078228), (218, 1013930), (410, 539114), (436, 506965), (545, 405572), (820, 269557), (1090, 202786), (2180, 101393), (2473, 89380), (4469, 49460), (4946, 44690), (8938, 24730), (9892, 22345), (12365, 17876)]