389621320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{885503}}^1$

素因数の和:885525

約数の個数: 32

約数和(自身を含む): 956344320

約数和(自身を除く): 566723000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 885503, 1771006, 3542012, 4427515, 7084024, 8855030, 9740533, 17710060, 19481066, 35420120, 38962132, 48702665, 77924264, 97405330, 194810660, 389621320]

約数ペア:

[(1, 389621320), (2, 194810660), (4, 97405330), (5, 77924264), (8, 48702665), (10, 38962132), (11, 35420120), (20, 19481066), (22, 17710060), (40, 9740533), (44, 8855030), (55, 7084024), (88, 4427515), (110, 3542012), (220, 1771006), (440, 885503)]