161208530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{859}}^1$

素因数の和:1263

約数の個数: 48

約数和(自身を含む): 338826240

約数和(自身を除く): 177617710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 383, 490, 766, 859, 1718, 1915, 2681, 3830, 4295, 5362, 6013, 8590, 12026, 13405, 18767, 26810, 30065, 37534, 42091, 60130, 84182, 93835, 187670, 210455, 328997, 420910, 657994, 1644985, 2302979, 3289970, 4605958, 11514895, 16120853, 23029790, 32241706, 80604265, 161208530]

約数ペア:

[(1, 161208530), (2, 80604265), (5, 32241706), (7, 23029790), (10, 16120853), (14, 11514895), (35, 4605958), (49, 3289970), (70, 2302979), (98, 1644985), (245, 657994), (383, 420910), (490, 328997), (766, 210455), (859, 187670), (1718, 93835), (1915, 84182), (2681, 60130), (3830, 42091), (4295, 37534), (5362, 30065), (6013, 26810), (8590, 18767), (12026, 13405)]