2198630

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{641}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 4622400

約数和(自身を除く): 2423770

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 641, 686, 1282, 1715, 3205, 3430, 4487, 6410, 8974, 22435, 31409, 44870, 62818, 157045, 219863, 314090, 439726, 1099315, 2198630]

約数ペア:

[(1, 2198630), (2, 1099315), (5, 439726), (7, 314090), (10, 219863), (14, 157045), (35, 62818), (49, 44870), (70, 31409), (98, 22435), (245, 8974), (343, 6410), (490, 4487), (641, 3430), (686, 3205), (1282, 1715)]