82689740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{590641}}^1$

素因数の和:590657

約数の個数: 24

約数和(自身を含む): 198455712

約数和(自身を除く): 115765972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 590641, 1181282, 2362564, 2953205, 4134487, 5906410, 8268974, 11812820, 16537948, 20672435, 41344870, 82689740]

約数ペア:

[(1, 82689740), (2, 41344870), (4, 20672435), (5, 16537948), (7, 11812820), (10, 8268974), (14, 5906410), (20, 4134487), (28, 2953205), (35, 2362564), (70, 1181282), (140, 590641)]