8498140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 20631744

約数和(自身を除く): 12133604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 601, 707, 1010, 1202, 1414, 2020, 2404, 2828, 3005, 3535, 4207, 6010, 7070, 8414, 12020, 14140, 16828, 21035, 42070, 60701, 84140, 121402, 242804, 303505, 424907, 607010, 849814, 1214020, 1699628, 2124535, 4249070, 8498140]

約数ペア:

[(1, 8498140), (2, 4249070), (4, 2124535), (5, 1699628), (7, 1214020), (10, 849814), (14, 607010), (20, 424907), (28, 303505), (35, 242804), (70, 121402), (101, 84140), (140, 60701), (202, 42070), (404, 21035), (505, 16828), (601, 14140), (707, 12020), (1010, 8414), (1202, 7070), (1414, 6010), (2020, 4207), (2404, 3535), (2828, 3005)]