201272820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{479221}}^1$

素因数の和:479240

約数の個数: 48

約数和(自身を含む): 644074368

約数和(自身を除く): 442801548

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, 479221, 958442, 1437663, 1916884, 2396105, 2875326, 3354547, 4792210, 5750652, 6709094, 7188315, 9584420, 10063641, 13418188, 14376630, 16772735, 20127282, 28753260, 33545470, 40254564, 50318205, 67090940, 100636410, 201272820]

約数ペア:

[(1, 201272820), (2, 100636410), (3, 67090940), (4, 50318205), (5, 40254564), (6, 33545470), (7, 28753260), (10, 20127282), (12, 16772735), (14, 14376630), (15, 13418188), (20, 10063641), (21, 9584420), (28, 7188315), (30, 6709094), (35, 5750652), (42, 4792210), (60, 3354547), (70, 2875326), (84, 2396105), (105, 1916884), (140, 1437663), (210, 958442), (420, 479221)]