179674640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2749}}^1$

素因数の和:2824

約数の個数: 80

約数和(自身を含む): 450120000

約数和(自身を除く): 270445360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 2749, 3268, 3440, 4085, 5498, 6536, 8170, 10996, 13072, 13745, 16340, 21992, 27490, 32680, 43984, 52231, 54980, 65360, 104462, 109960, 118207, 208924, 219920, 236414, 261155, 417848, 472828, 522310, 591035, 835696, 945656, 1044620, 1182070, 1891312, 2089240, 2245933, 2364140, 4178480, 4491866, 4728280, 8983732, 9456560, 11229665, 17967464, 22459330, 35934928, 44918660, 89837320, 179674640]

約数ペア:

[(1, 179674640), (2, 89837320), (4, 44918660), (5, 35934928), (8, 22459330), (10, 17967464), (16, 11229665), (19, 9456560), (20, 8983732), (38, 4728280), (40, 4491866), (43, 4178480), (76, 2364140), (80, 2245933), (86, 2089240), (95, 1891312), (152, 1182070), (172, 1044620), (190, 945656), (215, 835696), (304, 591035), (344, 522310), (380, 472828), (430, 417848), (688, 261155), (760, 236414), (817, 219920), (860, 208924), (1520, 118207), (1634, 109960), (1720, 104462), (2749, 65360), (3268, 54980), (3440, 52231), (4085, 43984), (5498, 32680), (6536, 27490), (8170, 21992), (10996, 16340), (13072, 13745)]