193780020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{461381}}^1$

素因数の和:461400

約数の個数: 48

約数和(自身を含む): 620097408

約数和(自身を除く): 426317388

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, 461381, 922762, 1384143, 1845524, 2306905, 2768286, 3229667, 4613810, 5536572, 6459334, 6920715, 9227620, 9689001, 12918668, 13841430, 16148335, 19378002, 27682860, 32296670, 38756004, 48445005, 64593340, 96890010, 193780020]

約数ペア:

[(1, 193780020), (2, 96890010), (3, 64593340), (4, 48445005), (5, 38756004), (6, 32296670), (7, 27682860), (10, 19378002), (12, 16148335), (14, 13841430), (15, 12918668), (20, 9689001), (21, 9227620), (28, 6920715), (30, 6459334), (35, 5536572), (42, 4613810), (60, 3229667), (70, 2768286), (84, 2306905), (105, 1845524), (140, 1384143), (210, 922762), (420, 461381)]