1239669160

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{226217}}^1$

素因数の和:226365

約数の個数: 32

約数和(自身を含む): 2809627560

約数和(自身を除く): 1569958400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 226217, 452434, 904868, 1131085, 1809736, 2262170, 4524340, 9048680, 30991729, 61983458, 123966916, 154958645, 247933832, 309917290, 619834580, 1239669160]

約数ペア:

[(1, 1239669160), (2, 619834580), (4, 309917290), (5, 247933832), (8, 154958645), (10, 123966916), (20, 61983458), (40, 30991729), (137, 9048680), (274, 4524340), (548, 2262170), (685, 1809736), (1096, 1131085), (1370, 904868), (2740, 452434), (5480, 226217)]