129757040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{231709}}^1$

素因数の和:231729

約数の個数: 40

約数和(自身を含む): 344784480

約数和(自身を除く): 215027440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 231709, 463418, 926836, 1158545, 1621963, 1853672, 2317090, 3243926, 3707344, 4634180, 6487852, 8109815, 9268360, 12975704, 16219630, 18536720, 25951408, 32439260, 64878520, 129757040]

約数ペア:

[(1, 129757040), (2, 64878520), (4, 32439260), (5, 25951408), (7, 18536720), (8, 16219630), (10, 12975704), (14, 9268360), (16, 8109815), (20, 6487852), (28, 4634180), (35, 3707344), (40, 3243926), (56, 2317090), (70, 1853672), (80, 1621963), (112, 1158545), (140, 926836), (280, 463418), (560, 231709)]