276828440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{20177}}^1$

素因数の和:20209

約数の個数: 64

約数和(自身を含む): 726408000

約数和(自身を除く): 449579560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 20177, 40354, 80708, 100885, 141239, 161416, 201770, 282478, 403540, 564956, 706195, 807080, 988673, 1129912, 1412390, 1977346, 2824780, 3954692, 4943365, 5649560, 6920711, 7909384, 9886730, 13841422, 19773460, 27682844, 34603555, 39546920, 55365688, 69207110, 138414220, 276828440]

約数ペア:

[(1, 276828440), (2, 138414220), (4, 69207110), (5, 55365688), (7, 39546920), (8, 34603555), (10, 27682844), (14, 19773460), (20, 13841422), (28, 9886730), (35, 7909384), (40, 6920711), (49, 5649560), (56, 4943365), (70, 3954692), (98, 2824780), (140, 1977346), (196, 1412390), (245, 1129912), (280, 988673), (343, 807080), (392, 706195), (490, 564956), (686, 403540), (980, 282478), (1372, 201770), (1715, 161416), (1960, 141239), (2744, 100885), (3430, 80708), (6860, 40354), (13720, 20177)]