388133080

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{65123}}^1$

素因数の和:65283

約数の個数: 32

約数和(自身を含む): 879174000

約数和(自身を除く): 491040920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 65123, 130246, 260492, 325615, 520984, 651230, 1302460, 2604920, 9703327, 19406654, 38813308, 48516635, 77626616, 97033270, 194066540, 388133080]

約数ペア:

[(1, 388133080), (2, 194066540), (4, 97033270), (5, 77626616), (8, 48516635), (10, 38813308), (20, 19406654), (40, 9703327), (149, 2604920), (298, 1302460), (596, 651230), (745, 520984), (1192, 325615), (1490, 260492), (2980, 130246), (5960, 65123)]