243661040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{435109}}^1$

素因数の和:435129

約数の個数: 40

約数和(自身を含む): 647443680

約数和(自身を除く): 403782640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 435109, 870218, 1740436, 2175545, 3045763, 3480872, 4351090, 6091526, 6961744, 8702180, 12183052, 15228815, 17404360, 24366104, 30457630, 34808720, 48732208, 60915260, 121830520, 243661040]

約数ペア:

[(1, 243661040), (2, 121830520), (4, 60915260), (5, 48732208), (7, 34808720), (8, 30457630), (10, 24366104), (14, 17404360), (16, 15228815), (20, 12183052), (28, 8702180), (35, 6961744), (40, 6091526), (56, 4351090), (70, 3480872), (80, 3045763), (112, 2175545), (140, 1740436), (280, 870218), (560, 435109)]