1388425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 1884800

約数和(自身を除く): 496375

約数列:

[1, 5, 19, 25, 37, 79, 95, 185, 395, 475, 703, 925, 1501, 1975, 2923, 3515, 7505, 14615, 17575, 37525, 55537, 73075, 277685, 1388425]

約数ペア:

[(1, 1388425), (5, 277685), (19, 73075), (25, 55537), (37, 37525), (79, 17575), (95, 14615), (185, 7505), (395, 3515), (475, 2923), (703, 1975), (925, 1501)]