858487075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{18899}}^1$

素因数の和:19011

約数の個数: 24

約数和(自身を含む): 1124928000

約数和(自身を除く): 266440925

約数列:

[1, 5, 23, 25, 79, 115, 395, 575, 1817, 1975, 9085, 18899, 45425, 94495, 434677, 472475, 1493021, 2173385, 7465105, 10866925, 34339483, 37325525, 171697415, 858487075]

約数ペア:

[(1, 858487075), (5, 171697415), (23, 37325525), (25, 34339483), (79, 10866925), (115, 7465105), (395, 2173385), (575, 1493021), (1817, 472475), (1975, 434677), (9085, 94495), (18899, 45425)]