28845460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206039}}^1$

素因数の和:206055

約数の個数: 24

約数和(自身を含む): 69229440

約数和(自身を除く): 40383980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206039, 412078, 824156, 1030195, 1442273, 2060390, 2884546, 4120780, 5769092, 7211365, 14422730, 28845460]

約数ペア:

[(1, 28845460), (2, 14422730), (4, 7211365), (5, 5769092), (7, 4120780), (10, 2884546), (14, 2060390), (20, 1442273), (28, 1030195), (35, 824156), (70, 412078), (140, 206039)]