172397900

素因数分解:

$2^2\times 5^2\times {\mathrm{809}}^1\times {\mathrm{2131}}^1$

素因数の和:2954

約数の個数: 36

約数和(自身を含む): 374741640

約数和(自身を除く): 202343740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 809, 1618, 2131, 3236, 4045, 4262, 8090, 8524, 10655, 16180, 20225, 21310, 40450, 42620, 53275, 80900, 106550, 213100, 1723979, 3447958, 6895916, 8619895, 17239790, 34479580, 43099475, 86198950, 172397900]

約数ペア:

[(1, 172397900), (2, 86198950), (4, 43099475), (5, 34479580), (10, 17239790), (20, 8619895), (25, 6895916), (50, 3447958), (100, 1723979), (809, 213100), (1618, 106550), (2131, 80900), (3236, 53275), (4045, 42620), (4262, 40450), (8090, 21310), (8524, 20225), (10655, 16180)]