712760

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 1628640

約数和(自身を除く): 915880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 173, 206, 346, 412, 515, 692, 824, 865, 1030, 1384, 1730, 2060, 3460, 4120, 6920, 17819, 35638, 71276, 89095, 142552, 178190, 356380, 712760]

約数ペア:

[(1, 712760), (2, 356380), (4, 178190), (5, 142552), (8, 89095), (10, 71276), (20, 35638), (40, 17819), (103, 6920), (173, 4120), (206, 3460), (346, 2060), (412, 1730), (515, 1384), (692, 1030), (824, 865)]