280635348

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{1723}}^1$

素因数の和:2021

約数の個数: 72

約数和(自身を含む): 764918112

約数和(自身を除く): 484282764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 277, 294, 554, 588, 831, 1108, 1662, 1723, 1939, 3324, 3446, 3878, 5169, 5817, 6892, 7756, 10338, 11634, 12061, 13573, 20676, 23268, 24122, 27146, 36183, 40719, 48244, 54292, 72366, 81438, 84427, 144732, 162876, 168854, 253281, 337708, 477271, 506562, 954542, 1013124, 1431813, 1909084, 2863626, 3340897, 5727252, 6681794, 10022691, 13363588, 20045382, 23386279, 40090764, 46772558, 70158837, 93545116, 140317674, 280635348]

約数ペア:

[(1, 280635348), (2, 140317674), (3, 93545116), (4, 70158837), (6, 46772558), (7, 40090764), (12, 23386279), (14, 20045382), (21, 13363588), (28, 10022691), (42, 6681794), (49, 5727252), (84, 3340897), (98, 2863626), (147, 1909084), (196, 1431813), (277, 1013124), (294, 954542), (554, 506562), (588, 477271), (831, 337708), (1108, 253281), (1662, 168854), (1723, 162876), (1939, 144732), (3324, 84427), (3446, 81438), (3878, 72366), (5169, 54292), (5817, 48244), (6892, 40719), (7756, 36183), (10338, 27146), (11634, 24122), (12061, 23268), (13573, 20676)]