8856890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4363}}^1$

素因数の和:4406

約数の個数: 32

約数和(自身を含む): 18852480

約数和(自身を除く): 9995590

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 4363, 8726, 21815, 30541, 43630, 61082, 126527, 152705, 253054, 305410, 632635, 885689, 1265270, 1771378, 4428445, 8856890]

約数ペア:

[(1, 8856890), (2, 4428445), (5, 1771378), (7, 1265270), (10, 885689), (14, 632635), (29, 305410), (35, 253054), (58, 152705), (70, 126527), (145, 61082), (203, 43630), (290, 30541), (406, 21815), (1015, 8726), (2030, 4363)]