210188020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1501343}}^1$

素因数の和:1501359

約数の個数: 24

約数和(自身を含む): 504451584

約数和(自身を除く): 294263564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1501343, 3002686, 6005372, 7506715, 10509401, 15013430, 21018802, 30026860, 42037604, 52547005, 105094010, 210188020]

約数ペア:

[(1, 210188020), (2, 105094010), (4, 52547005), (5, 42037604), (7, 30026860), (10, 21018802), (14, 15013430), (20, 10509401), (28, 7506715), (35, 6005372), (70, 3002686), (140, 1501343)]