218489364

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 607326720

約数和(自身を除く): 388837356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 31, 36, 43, 58, 62, 86, 87, 93, 116, 124, 129, 157, 172, 174, 186, 258, 261, 279, 314, 348, 372, 387, 471, 516, 522, 558, 628, 774, 899, 942, 1044, 1116, 1247, 1333, 1413, 1548, 1798, 1884, 2494, 2666, 2697, 2826, 3596, 3741, 3999, 4553, 4867, 4988, 5332, 5394, 5652, 6751, 7482, 7998, 8091, 9106, 9734, 10788, 11223, 11997, 13502, 13659, 14601, 14964, 15996, 16182, 18212, 19468, 20253, 22446, 23994, 27004, 27318, 29202, 32364, 38657, 40506, 40977, 43803, 44892, 47988, 54636, 58404, 60759, 77314, 81012, 81954, 87606, 115971, 121518, 141143, 154628, 163908, 175212, 195779, 209281, 231942, 243036, 282286, 347913, 391558, 418562, 423429, 463884, 564572, 587337, 627843, 695826, 783116, 837124, 846858, 1174674, 1255686, 1270287, 1391652, 1693716, 1762011, 1883529, 2349348, 2511372, 2540574, 3524022, 3767058, 5081148, 6069149, 7048044, 7534116, 12138298, 18207447, 24276596, 36414894, 54622341, 72829788, 109244682, 218489364]

約数ペア:

[(1, 218489364), (2, 109244682), (3, 72829788), (4, 54622341), (6, 36414894), (9, 24276596), (12, 18207447), (18, 12138298), (29, 7534116), (31, 7048044), (36, 6069149), (43, 5081148), (58, 3767058), (62, 3524022), (86, 2540574), (87, 2511372), (93, 2349348), (116, 1883529), (124, 1762011), (129, 1693716), (157, 1391652), (172, 1270287), (174, 1255686), (186, 1174674), (258, 846858), (261, 837124), (279, 783116), (314, 695826), (348, 627843), (372, 587337), (387, 564572), (471, 463884), (516, 423429), (522, 418562), (558, 391558), (628, 347913), (774, 282286), (899, 243036), (942, 231942), (1044, 209281), (1116, 195779), (1247, 175212), (1333, 163908), (1413, 154628), (1548, 141143), (1798, 121518), (1884, 115971), (2494, 87606), (2666, 81954), (2697, 81012), (2826, 77314), (3596, 60759), (3741, 58404), (3999, 54636), (4553, 47988), (4867, 44892), (4988, 43803), (5332, 40977), (5394, 40506), (5652, 38657), (6751, 32364), (7482, 29202), (7998, 27318), (8091, 27004), (9106, 23994), (9734, 22446), (10788, 20253), (11223, 19468), (11997, 18212), (13502, 16182), (13659, 15996), (14601, 14964)]