127207640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{454313}}^1$

素因数の和:454331

約数の個数: 32

約数和(自身を含む): 327106080

約数和(自身を除く): 199898440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 454313, 908626, 1817252, 2271565, 3180191, 3634504, 4543130, 6360382, 9086260, 12720764, 15900955, 18172520, 25441528, 31801910, 63603820, 127207640]

約数ペア:

[(1, 127207640), (2, 63603820), (4, 31801910), (5, 25441528), (7, 18172520), (8, 15900955), (10, 12720764), (14, 9086260), (20, 6360382), (28, 4543130), (35, 3634504), (40, 3180191), (56, 2271565), (70, 1817252), (140, 908626), (280, 454313)]