149618320

素因数分解:

$2^4\times 5^1\times {\mathrm{1870229}}^1$

素因数の和:1870242

約数の個数: 20

約数和(自身を含む): 347862780

約数和(自身を除く): 198244460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1870229, 3740458, 7480916, 9351145, 14961832, 18702290, 29923664, 37404580, 74809160, 149618320]

約数ペア:

[(1, 149618320), (2, 74809160), (4, 37404580), (5, 29923664), (8, 18702290), (10, 14961832), (16, 9351145), (20, 7480916), (40, 3740458), (80, 1870229)]