398576375

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{937}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 516245184

約数和(自身を除く): 117668809

約数列:

[1, 5, 25, 41, 83, 125, 205, 415, 937, 1025, 2075, 3403, 4685, 5125, 10375, 17015, 23425, 38417, 77771, 85075, 117125, 192085, 388855, 425375, 960425, 1944275, 3188611, 4802125, 9721375, 15943055, 79715275, 398576375]

約数ペア:

[(1, 398576375), (5, 79715275), (25, 15943055), (41, 9721375), (83, 4802125), (125, 3188611), (205, 1944275), (415, 960425), (937, 425375), (1025, 388855), (2075, 192085), (3403, 117125), (4685, 85075), (5125, 77771), (10375, 38417), (17015, 23425)]