820290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 2024640

約数和(自身を除く): 1204350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 739, 1110, 1478, 2217, 3695, 4434, 7390, 11085, 22170, 27343, 54686, 82029, 136715, 164058, 273430, 410145, 820290]

約数ペア:

[(1, 820290), (2, 410145), (3, 273430), (5, 164058), (6, 136715), (10, 82029), (15, 54686), (30, 27343), (37, 22170), (74, 11085), (111, 7390), (185, 4434), (222, 3695), (370, 2217), (555, 1478), (739, 1110)]