55143340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1283}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 132878592

約数和(自身を除く): 77735252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1283, 1535, 2149, 2566, 3070, 4298, 5132, 6140, 6415, 8596, 8981, 10745, 12830, 17962, 21490, 25660, 35924, 42980, 44905, 89810, 179620, 393881, 787762, 1575524, 1969405, 2757167, 3938810, 5514334, 7877620, 11028668, 13785835, 27571670, 55143340]

約数ペア:

[(1, 55143340), (2, 27571670), (4, 13785835), (5, 11028668), (7, 7877620), (10, 5514334), (14, 3938810), (20, 2757167), (28, 1969405), (35, 1575524), (70, 787762), (140, 393881), (307, 179620), (614, 89810), (1228, 44905), (1283, 42980), (1535, 35924), (2149, 25660), (2566, 21490), (3070, 17962), (4298, 12830), (5132, 10745), (6140, 8981), (6415, 8596)]