221620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1583}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 532224

約数和(自身を除く): 310604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1583, 3166, 6332, 7915, 11081, 15830, 22162, 31660, 44324, 55405, 110810, 221620]

約数ペア:

[(1, 221620), (2, 110810), (4, 55405), (5, 44324), (7, 31660), (10, 22162), (14, 15830), (20, 11081), (28, 7915), (35, 6332), (70, 3166), (140, 1583)]