266927500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{2179}}^1$

素因数の和:2217

約数の個数: 90

約数和(自身を含む): 679329420

約数和(自身を除く): 412401920

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 625, 700, 875, 980, 1225, 1250, 1750, 2179, 2450, 2500, 3500, 4358, 4375, 4900, 6125, 8716, 8750, 10895, 12250, 15253, 17500, 21790, 24500, 30506, 30625, 43580, 54475, 61012, 61250, 76265, 106771, 108950, 122500, 152530, 213542, 217900, 272375, 305060, 381325, 427084, 533855, 544750, 762650, 1067710, 1089500, 1361875, 1525300, 1906625, 2135420, 2669275, 2723750, 3813250, 5338550, 5447500, 7626500, 9533125, 10677100, 13346375, 19066250, 26692750, 38132500, 53385500, 66731875, 133463750, 266927500]

約数ペア:

[(1, 266927500), (2, 133463750), (4, 66731875), (5, 53385500), (7, 38132500), (10, 26692750), (14, 19066250), (20, 13346375), (25, 10677100), (28, 9533125), (35, 7626500), (49, 5447500), (50, 5338550), (70, 3813250), (98, 2723750), (100, 2669275), (125, 2135420), (140, 1906625), (175, 1525300), (196, 1361875), (245, 1089500), (250, 1067710), (350, 762650), (490, 544750), (500, 533855), (625, 427084), (700, 381325), (875, 305060), (980, 272375), (1225, 217900), (1250, 213542), (1750, 152530), (2179, 122500), (2450, 108950), (2500, 106771), (3500, 76265), (4358, 61250), (4375, 61012), (4900, 54475), (6125, 43580), (8716, 30625), (8750, 30506), (10895, 24500), (12250, 21790), (15253, 17500)]