319780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 685440

約数和(自身を除く): 365660

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 271, 295, 542, 590, 1084, 1180, 1355, 2710, 5420, 15989, 31978, 63956, 79945, 159890, 319780]

約数ペア:

[(1, 319780), (2, 159890), (4, 79945), (5, 63956), (10, 31978), (20, 15989), (59, 5420), (118, 2710), (236, 1355), (271, 1180), (295, 1084), (542, 590)]