209829780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1165721}}^1$

素因数の和:1165736

約数の個数: 36

約数和(自身を含む): 636484212

約数和(自身を除く): 426654432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1165721, 2331442, 3497163, 4662884, 5828605, 6994326, 10491489, 11657210, 13988652, 17485815, 20982978, 23314420, 34971630, 41965956, 52457445, 69943260, 104914890, 209829780]

約数ペア:

[(1, 209829780), (2, 104914890), (3, 69943260), (4, 52457445), (5, 41965956), (6, 34971630), (9, 23314420), (10, 20982978), (12, 17485815), (15, 13988652), (18, 11657210), (20, 10491489), (30, 6994326), (36, 5828605), (45, 4662884), (60, 3497163), (90, 2331442), (180, 1165721)]