1680725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 2261760

約数和(自身を除く): 581035

約数列:

[1, 5, 23, 25, 37, 79, 115, 185, 395, 575, 851, 925, 1817, 1975, 2923, 4255, 9085, 14615, 21275, 45425, 67229, 73075, 336145, 1680725]

約数ペア:

[(1, 1680725), (5, 336145), (23, 73075), (25, 67229), (37, 45425), (79, 21275), (115, 14615), (185, 9085), (395, 4255), (575, 2923), (851, 1975), (925, 1817)]