139237520

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{11681}}^1$

素因数の和:11843

約数の個数: 40

約数和(自身を含む): 325927800

約数和(自身を除く): 186690280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11681, 11920, 23362, 46724, 58405, 93448, 116810, 186896, 233620, 467240, 934480, 1740469, 3480938, 6961876, 8702345, 13923752, 17404690, 27847504, 34809380, 69618760, 139237520]

約数ペア:

[(1, 139237520), (2, 69618760), (4, 34809380), (5, 27847504), (8, 17404690), (10, 13923752), (16, 8702345), (20, 6961876), (40, 3480938), (80, 1740469), (149, 934480), (298, 467240), (596, 233620), (745, 186896), (1192, 116810), (1490, 93448), (2384, 58405), (2980, 46724), (5960, 23362), (11681, 11920)]