30897320

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7219}}^1$

素因数の和:7337

約数の個数: 32

約数和(自身を含む): 70178400

約数和(自身を除く): 39281080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 7219, 14438, 28876, 36095, 57752, 72190, 144380, 288760, 772433, 1544866, 3089732, 3862165, 6179464, 7724330, 15448660, 30897320]

約数ペア:

[(1, 30897320), (2, 15448660), (4, 7724330), (5, 6179464), (8, 3862165), (10, 3089732), (20, 1544866), (40, 772433), (107, 288760), (214, 144380), (428, 72190), (535, 57752), (856, 36095), (1070, 28876), (2140, 14438), (4280, 7219)]