218594360

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{7517}}^1$

素因数の和:8255

約数の個数: 32

約数和(自身を含む): 492579360

約数和(自身を除く): 273985000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 2908, 3635, 5816, 7270, 7517, 14540, 15034, 29080, 30068, 37585, 60136, 75170, 150340, 300680, 5464859, 10929718, 21859436, 27324295, 43718872, 54648590, 109297180, 218594360]

約数ペア:

[(1, 218594360), (2, 109297180), (4, 54648590), (5, 43718872), (8, 27324295), (10, 21859436), (20, 10929718), (40, 5464859), (727, 300680), (1454, 150340), (2908, 75170), (3635, 60136), (5816, 37585), (7270, 30068), (7517, 29080), (14540, 15034)]