11728180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 25920720

約数和(自身を除く): 14192540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 277, 290, 292, 365, 554, 580, 730, 1108, 1385, 1460, 2117, 2770, 4234, 5540, 8033, 8468, 10585, 16066, 20221, 21170, 32132, 40165, 40442, 42340, 80330, 80884, 101105, 160660, 202210, 404420, 586409, 1172818, 2345636, 2932045, 5864090, 11728180]

約数ペア:

[(1, 11728180), (2, 5864090), (4, 2932045), (5, 2345636), (10, 1172818), (20, 586409), (29, 404420), (58, 202210), (73, 160660), (116, 101105), (145, 80884), (146, 80330), (277, 42340), (290, 40442), (292, 40165), (365, 32132), (554, 21170), (580, 20221), (730, 16066), (1108, 10585), (1385, 8468), (1460, 8033), (2117, 5540), (2770, 4234)]