90781250

素因数分解:

$2^1\times 5^7\times 7^1\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 196874496

約数和(自身を除く): 106093246

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 83, 125, 166, 175, 250, 350, 415, 581, 625, 830, 875, 1162, 1250, 1750, 2075, 2905, 3125, 4150, 4375, 5810, 6250, 8750, 10375, 14525, 15625, 20750, 21875, 29050, 31250, 43750, 51875, 72625, 78125, 103750, 109375, 145250, 156250, 218750, 259375, 363125, 518750, 546875, 726250, 1093750, 1296875, 1815625, 2593750, 3631250, 6484375, 9078125, 12968750, 18156250, 45390625, 90781250]

約数ペア:

[(1, 90781250), (2, 45390625), (5, 18156250), (7, 12968750), (10, 9078125), (14, 6484375), (25, 3631250), (35, 2593750), (50, 1815625), (70, 1296875), (83, 1093750), (125, 726250), (166, 546875), (175, 518750), (250, 363125), (350, 259375), (415, 218750), (581, 156250), (625, 145250), (830, 109375), (875, 103750), (1162, 78125), (1250, 72625), (1750, 51875), (2075, 43750), (2905, 31250), (3125, 29050), (4150, 21875), (4375, 20750), (5810, 15625), (6250, 14525), (8750, 10375)]