68693780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 147159936

約数和(自身を除く): 78466156

約数列:

[1, 2, 4, 5, 10, 20, 131, 157, 167, 262, 314, 334, 524, 628, 655, 668, 785, 835, 1310, 1570, 1670, 2620, 3140, 3340, 20567, 21877, 26219, 41134, 43754, 52438, 82268, 87508, 102835, 104876, 109385, 131095, 205670, 218770, 262190, 411340, 437540, 524380, 3434689, 6869378, 13738756, 17173445, 34346890, 68693780]

約数ペア:

[(1, 68693780), (2, 34346890), (4, 17173445), (5, 13738756), (10, 6869378), (20, 3434689), (131, 524380), (157, 437540), (167, 411340), (262, 262190), (314, 218770), (334, 205670), (524, 131095), (628, 109385), (655, 104876), (668, 102835), (785, 87508), (835, 82268), (1310, 52438), (1570, 43754), (1670, 41134), (2620, 26219), (3140, 21877), (3340, 20567)]