2187700

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:312

約数の個数: 36

約数和(自身を含む): 4812192

約数和(自身を除く): 2624492

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 167, 262, 334, 524, 655, 668, 835, 1310, 1670, 2620, 3275, 3340, 4175, 6550, 8350, 13100, 16700, 21877, 43754, 87508, 109385, 218770, 437540, 546925, 1093850, 2187700]

約数ペア:

[(1, 2187700), (2, 1093850), (4, 546925), (5, 437540), (10, 218770), (20, 109385), (25, 87508), (50, 43754), (100, 21877), (131, 16700), (167, 13100), (262, 8350), (334, 6550), (524, 4175), (655, 3340), (668, 3275), (835, 2620), (1310, 1670)]