388524020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{669869}}^1$

素因数の和:669907

約数の個数: 24

約数和(自身を含む): 844036200

約数和(自身を除く): 455512180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 669869, 1339738, 2679476, 3349345, 6698690, 13397380, 19426201, 38852402, 77704804, 97131005, 194262010, 388524020]

約数ペア:

[(1, 388524020), (2, 194262010), (4, 97131005), (5, 77704804), (10, 38852402), (20, 19426201), (29, 13397380), (58, 6698690), (116, 3349345), (145, 2679476), (290, 1339738), (580, 669869)]