71770020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170881}}^1$

素因数の和:170900

約数の個数: 48

約数和(自身を含む): 229665408

約数和(自身を除く): 157895388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 170881, 341762, 512643, 683524, 854405, 1025286, 1196167, 1708810, 2050572, 2392334, 2563215, 3417620, 3588501, 4784668, 5126430, 5980835, 7177002, 10252860, 11961670, 14354004, 17942505, 23923340, 35885010, 71770020]

約数ペア:

[(1, 71770020), (2, 35885010), (3, 23923340), (4, 17942505), (5, 14354004), (6, 11961670), (7, 10252860), (10, 7177002), (12, 5980835), (14, 5126430), (15, 4784668), (20, 3588501), (21, 3417620), (28, 2563215), (30, 2392334), (35, 2050572), (42, 1708810), (60, 1196167), (70, 1025286), (84, 854405), (105, 683524), (140, 512643), (210, 341762), (420, 170881)]