406001375

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{19219}}^1$

素因数の和:19260

約数の個数: 24

約数和(自身を含む): 548692560

約数和(自身を除く): 142691185

約数列:

[1, 5, 13, 25, 65, 125, 169, 325, 845, 1625, 4225, 19219, 21125, 96095, 249847, 480475, 1249235, 2402375, 3248011, 6246175, 16240055, 31230875, 81200275, 406001375]

約数ペア:

[(1, 406001375), (5, 81200275), (13, 31230875), (25, 16240055), (65, 6246175), (125, 3248011), (169, 2402375), (325, 1249235), (845, 480475), (1625, 249847), (4225, 96095), (19219, 21125)]