22172500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{181}}^1$

素因数の和:219

約数の個数: 90

約数和(自身を含む): 56714658

約数和(自身を除く): 34542158

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 181, 196, 245, 250, 350, 362, 490, 500, 625, 700, 724, 875, 905, 980, 1225, 1250, 1267, 1750, 1810, 2450, 2500, 2534, 3500, 3620, 4375, 4525, 4900, 5068, 6125, 6335, 8750, 8869, 9050, 12250, 12670, 17500, 17738, 18100, 22625, 24500, 25340, 30625, 31675, 35476, 44345, 45250, 61250, 63350, 88690, 90500, 113125, 122500, 126700, 158375, 177380, 221725, 226250, 316750, 443450, 452500, 633500, 791875, 886900, 1108625, 1583750, 2217250, 3167500, 4434500, 5543125, 11086250, 22172500]

約数ペア:

[(1, 22172500), (2, 11086250), (4, 5543125), (5, 4434500), (7, 3167500), (10, 2217250), (14, 1583750), (20, 1108625), (25, 886900), (28, 791875), (35, 633500), (49, 452500), (50, 443450), (70, 316750), (98, 226250), (100, 221725), (125, 177380), (140, 158375), (175, 126700), (181, 122500), (196, 113125), (245, 90500), (250, 88690), (350, 63350), (362, 61250), (490, 45250), (500, 44345), (625, 35476), (700, 31675), (724, 30625), (875, 25340), (905, 24500), (980, 22625), (1225, 18100), (1250, 17738), (1267, 17500), (1750, 12670), (1810, 12250), (2450, 9050), (2500, 8869), (2534, 8750), (3500, 6335), (3620, 6125), (4375, 5068), (4525, 4900)]