28997500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{1657}}^1$

素因数の和:1688

約数の個数: 60

約数和(自身を含む): 72514288

約数和(自身を除く): 43516788

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, 1657, 1750, 2500, 3314, 3500, 4375, 6628, 8285, 8750, 11599, 16570, 17500, 23198, 33140, 41425, 46396, 57995, 82850, 115990, 165700, 207125, 231980, 289975, 414250, 579950, 828500, 1035625, 1159900, 1449875, 2071250, 2899750, 4142500, 5799500, 7249375, 14498750, 28997500]

約数ペア:

[(1, 28997500), (2, 14498750), (4, 7249375), (5, 5799500), (7, 4142500), (10, 2899750), (14, 2071250), (20, 1449875), (25, 1159900), (28, 1035625), (35, 828500), (50, 579950), (70, 414250), (100, 289975), (125, 231980), (140, 207125), (175, 165700), (250, 115990), (350, 82850), (500, 57995), (625, 46396), (700, 41425), (875, 33140), (1250, 23198), (1657, 17500), (1750, 16570), (2500, 11599), (3314, 8750), (3500, 8285), (4375, 6628)]