220010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{449}}^1$

素因数の和:470

約数の個数: 24

約数和(自身を含む): 461700

約数和(自身を除く): 241690

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 449, 490, 898, 2245, 3143, 4490, 6286, 15715, 22001, 31430, 44002, 110005, 220010]

約数ペア:

[(1, 220010), (2, 110005), (5, 44002), (7, 31430), (10, 22001), (14, 15715), (35, 6286), (49, 4490), (70, 3143), (98, 2245), (245, 898), (449, 490)]