420549520

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{35281}}^1$

素因数の和:35443

約数の個数: 40

約数和(自身を含む): 984367800

約数和(自身を除く): 563818280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 35281, 70562, 141124, 176405, 282248, 352810, 564496, 705620, 1411240, 2822480, 5256869, 10513738, 21027476, 26284345, 42054952, 52568690, 84109904, 105137380, 210274760, 420549520]

約数ペア:

[(1, 420549520), (2, 210274760), (4, 105137380), (5, 84109904), (8, 52568690), (10, 42054952), (16, 26284345), (20, 21027476), (40, 10513738), (80, 5256869), (149, 2822480), (298, 1411240), (596, 705620), (745, 564496), (1192, 352810), (1490, 282248), (2384, 176405), (2980, 141124), (5960, 70562), (11920, 35281)]