201267780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{479209}}^1$

素因数の和:479228

約数の個数: 48

約数和(自身を含む): 644058240

約数和(自身を除く): 442790460

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, 479209, 958418, 1437627, 1916836, 2396045, 2875254, 3354463, 4792090, 5750508, 6708926, 7188135, 9584180, 10063389, 13417852, 14376270, 16772315, 20126778, 28752540, 33544630, 40253556, 50316945, 67089260, 100633890, 201267780]

約数ペア:

[(1, 201267780), (2, 100633890), (3, 67089260), (4, 50316945), (5, 40253556), (6, 33544630), (7, 28752540), (10, 20126778), (12, 16772315), (14, 14376270), (15, 13417852), (20, 10063389), (21, 9584180), (28, 7188135), (30, 6708926), (35, 5750508), (42, 4792090), (60, 3354463), (70, 2875254), (84, 2396045), (105, 1916836), (140, 1437627), (210, 958418), (420, 479209)]