2018222500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{115327}}^1$

素因数の和:115358

約数の個数: 60

約数和(自身を含む): 5043985408

約数和(自身を除く): 3025762908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1750, 2500, 3500, 4375, 8750, 17500, 115327, 230654, 461308, 576635, 807289, 1153270, 1614578, 2306540, 2883175, 3229156, 4036445, 5766350, 8072890, 11532700, 14415875, 16145780, 20182225, 28831750, 40364450, 57663500, 72079375, 80728900, 100911125, 144158750, 201822250, 288317500, 403644500, 504555625, 1009111250, 2018222500]

約数ペア:

[(1, 2018222500), (2, 1009111250), (4, 504555625), (5, 403644500), (7, 288317500), (10, 201822250), (14, 144158750), (20, 100911125), (25, 80728900), (28, 72079375), (35, 57663500), (50, 40364450), (70, 28831750), (100, 20182225), (125, 16145780), (140, 14415875), (175, 11532700), (250, 8072890), (350, 5766350), (500, 4036445), (625, 3229156), (700, 2883175), (875, 2306540), (1250, 1614578), (1750, 1153270), (2500, 807289), (3500, 576635), (4375, 461308), (8750, 230654), (17500, 115327)]