228978025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2447}}^1$

素因数の和:2673

約数の個数: 24

約数和(自身を含む): 300516480

約数和(自身を除く): 71538455

約数列:

[1, 5, 19, 25, 95, 197, 475, 985, 2447, 3743, 4925, 12235, 18715, 46493, 61175, 93575, 232465, 482059, 1162325, 2410295, 9159121, 12051475, 45795605, 228978025]

約数ペア:

[(1, 228978025), (5, 45795605), (19, 12051475), (25, 9159121), (95, 2410295), (197, 1162325), (475, 482059), (985, 232465), (2447, 93575), (3743, 61175), (4925, 46493), (12235, 18715)]