386780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 825552

約数和(自身を除く): 438772

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 233, 332, 415, 466, 830, 932, 1165, 1660, 2330, 4660, 19339, 38678, 77356, 96695, 193390, 386780]

約数ペア:

[(1, 386780), (2, 193390), (4, 96695), (5, 77356), (10, 38678), (20, 19339), (83, 4660), (166, 2330), (233, 1660), (332, 1165), (415, 932), (466, 830)]