9902480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17683}}^1$

素因数の和:17703

約数の個数: 40

約数和(自身を含む): 26313792

約数和(自身を除く): 16411312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 17683, 35366, 70732, 88415, 123781, 141464, 176830, 247562, 282928, 353660, 495124, 618905, 707320, 990248, 1237810, 1414640, 1980496, 2475620, 4951240, 9902480]

約数ペア:

[(1, 9902480), (2, 4951240), (4, 2475620), (5, 1980496), (7, 1414640), (8, 1237810), (10, 990248), (14, 707320), (16, 618905), (20, 495124), (28, 353660), (35, 282928), (40, 247562), (56, 176830), (70, 141464), (80, 123781), (112, 88415), (140, 70732), (280, 35366), (560, 17683)]