82760020

素因数分解:

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

素因数の和:84472

約数の個数: 36

約数和(自身を含む): 202173300

約数和(自身を除く): 119413280

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 84449, 168898, 337796, 422245, 591143, 844490, 1182286, 1688980, 2364572, 2955715, 4138001, 5911430, 8276002, 11822860, 16552004, 20690005, 41380010, 82760020]

約数ペア:

[(1, 82760020), (2, 41380010), (4, 20690005), (5, 16552004), (7, 11822860), (10, 8276002), (14, 5911430), (20, 4138001), (28, 2955715), (35, 2364572), (49, 1688980), (70, 1182286), (98, 844490), (140, 591143), (196, 422245), (245, 337796), (490, 168898), (980, 84449)]