188400875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 254741760

約数和(自身を除く): 66340885

約数列:

[1, 5, 13, 25, 65, 125, 269, 325, 431, 1345, 1625, 2155, 3497, 5603, 6725, 10775, 17485, 28015, 33625, 53875, 87425, 115939, 140075, 437125, 579695, 700375, 1507207, 2898475, 7536035, 14492375, 37680175, 188400875]

約数ペア:

[(1, 188400875), (5, 37680175), (13, 14492375), (25, 7536035), (65, 2898475), (125, 1507207), (269, 700375), (325, 579695), (431, 437125), (1345, 140075), (1625, 115939), (2155, 87425), (3497, 53875), (5603, 33625), (6725, 28015), (10775, 17485)]