165520040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{84449}}^1$

素因数の和:84474

約数の個数: 48

約数和(自身を含む): 433228500

約数和(自身を除く): 267708460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 84449, 168898, 337796, 422245, 591143, 675592, 844490, 1182286, 1688980, 2364572, 2955715, 3377960, 4138001, 4729144, 5911430, 8276002, 11822860, 16552004, 20690005, 23645720, 33104008, 41380010, 82760020, 165520040]

約数ペア:

[(1, 165520040), (2, 82760020), (4, 41380010), (5, 33104008), (7, 23645720), (8, 20690005), (10, 16552004), (14, 11822860), (20, 8276002), (28, 5911430), (35, 4729144), (40, 4138001), (49, 3377960), (56, 2955715), (70, 2364572), (98, 1688980), (140, 1182286), (196, 844490), (245, 675592), (280, 591143), (392, 422245), (490, 337796), (980, 168898), (1960, 84449)]