138997880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{1063}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 358525440

約数和(自身を除く): 219527560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 467, 934, 1063, 1868, 2126, 2335, 3269, 3736, 4252, 4670, 5315, 6538, 7441, 8504, 9340, 10630, 13076, 14882, 16345, 18680, 21260, 26152, 29764, 32690, 37205, 42520, 59528, 65380, 74410, 130760, 148820, 297640, 496421, 992842, 1985684, 2482105, 3474947, 3971368, 4964210, 6949894, 9928420, 13899788, 17374735, 19856840, 27799576, 34749470, 69498940, 138997880]

約数ペア:

[(1, 138997880), (2, 69498940), (4, 34749470), (5, 27799576), (7, 19856840), (8, 17374735), (10, 13899788), (14, 9928420), (20, 6949894), (28, 4964210), (35, 3971368), (40, 3474947), (56, 2482105), (70, 1985684), (140, 992842), (280, 496421), (467, 297640), (934, 148820), (1063, 130760), (1868, 74410), (2126, 65380), (2335, 59528), (3269, 42520), (3736, 37205), (4252, 32690), (4670, 29764), (5315, 26152), (6538, 21260), (7441, 18680), (8504, 16345), (9340, 14882), (10630, 13076)]