278045642960

素因数分解:

$2^4\times 5^1\times {\mathrm{9613}}^1\times {\mathrm{361549}}^1$

素因数の和:371175

約数の個数: 40

約数和(自身を含む): 646525156200

約数和(自身を除く): 368479513240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9613, 19226, 38452, 48065, 76904, 96130, 153808, 192260, 361549, 384520, 723098, 769040, 1446196, 1807745, 2892392, 3615490, 5784784, 7230980, 14461960, 28923920, 3475570537, 6951141074, 13902282148, 17377852685, 27804564296, 34755705370, 55609128592, 69511410740, 139022821480, 278045642960]

約数ペア:

[(1, 278045642960), (2, 139022821480), (4, 69511410740), (5, 55609128592), (8, 34755705370), (10, 27804564296), (16, 17377852685), (20, 13902282148), (40, 6951141074), (80, 3475570537), (9613, 28923920), (19226, 14461960), (38452, 7230980), (48065, 5784784), (76904, 3615490), (96130, 2892392), (153808, 1807745), (192260, 1446196), (361549, 769040), (384520, 723098)]