81830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{167}}^1$

素因数の和:188

約数の個数: 24

約数和(自身を含む): 172368

約数和(自身を除く): 90538

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 167, 245, 334, 490, 835, 1169, 1670, 2338, 5845, 8183, 11690, 16366, 40915, 81830]

約数ペア:

[(1, 81830), (2, 40915), (5, 16366), (7, 11690), (10, 8183), (14, 5845), (35, 2338), (49, 1670), (70, 1169), (98, 835), (167, 490), (245, 334)]