290304828

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{8237}}^1$

素因数の和:8347

約数の個数: 72

約数和(自身を含む): 809630640

約数和(自身を除く): 519325812

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 89, 99, 132, 178, 198, 267, 356, 396, 534, 801, 979, 1068, 1602, 1958, 2937, 3204, 3916, 5874, 8237, 8811, 11748, 16474, 17622, 24711, 32948, 35244, 49422, 74133, 90607, 98844, 148266, 181214, 271821, 296532, 362428, 543642, 733093, 815463, 1087284, 1466186, 1630926, 2199279, 2932372, 3261852, 4398558, 6597837, 8064023, 8797116, 13195674, 16128046, 24192069, 26391348, 32256092, 48384138, 72576207, 96768276, 145152414, 290304828]

約数ペア:

[(1, 290304828), (2, 145152414), (3, 96768276), (4, 72576207), (6, 48384138), (9, 32256092), (11, 26391348), (12, 24192069), (18, 16128046), (22, 13195674), (33, 8797116), (36, 8064023), (44, 6597837), (66, 4398558), (89, 3261852), (99, 2932372), (132, 2199279), (178, 1630926), (198, 1466186), (267, 1087284), (356, 815463), (396, 733093), (534, 543642), (801, 362428), (979, 296532), (1068, 271821), (1602, 181214), (1958, 148266), (2937, 98844), (3204, 90607), (3916, 74133), (5874, 49422), (8237, 35244), (8811, 32948), (11748, 24711), (16474, 17622)]