51905140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1619}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 125193600

約数和(自身を除く): 73288460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 1619, 2290, 3206, 3238, 4580, 6412, 6476, 8015, 8095, 11333, 16030, 16190, 22666, 32060, 32380, 45332, 56665, 113330, 226660, 370751, 741502, 1483004, 1853755, 2595257, 3707510, 5190514, 7415020, 10381028, 12976285, 25952570, 51905140]

約数ペア:

[(1, 51905140), (2, 25952570), (4, 12976285), (5, 10381028), (7, 7415020), (10, 5190514), (14, 3707510), (20, 2595257), (28, 1853755), (35, 1483004), (70, 741502), (140, 370751), (229, 226660), (458, 113330), (916, 56665), (1145, 45332), (1603, 32380), (1619, 32060), (2290, 22666), (3206, 16190), (3238, 16030), (4580, 11333), (6412, 8095), (6476, 8015)]