164412920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{587189}}^1$

素因数の和:587207

約数の個数: 32

約数和(自身を含む): 422776800

約数和(自身を除く): 258363880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 587189, 1174378, 2348756, 2935945, 4110323, 4697512, 5871890, 8220646, 11743780, 16441292, 20551615, 23487560, 32882584, 41103230, 82206460, 164412920]

約数ペア:

[(1, 164412920), (2, 82206460), (4, 41103230), (5, 32882584), (7, 23487560), (8, 20551615), (10, 16441292), (14, 11743780), (20, 8220646), (28, 5871890), (35, 4697512), (40, 4110323), (56, 2935945), (70, 2348756), (140, 1174378), (280, 587189)]