78780472

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 160380000

約数和(自身を除く): 81599528

約数列:

[1, 2, 4, 8, 29, 43, 53, 58, 86, 106, 116, 149, 172, 212, 232, 298, 344, 424, 596, 1192, 1247, 1537, 2279, 2494, 3074, 4321, 4558, 4988, 6148, 6407, 7897, 8642, 9116, 9976, 12296, 12814, 15794, 17284, 18232, 25628, 31588, 34568, 51256, 63176, 66091, 132182, 185803, 229013, 264364, 339571, 371606, 458026, 528728, 679142, 743212, 916052, 1358284, 1486424, 1832104, 2716568, 9847559, 19695118, 39390236, 78780472]

約数ペア:

[(1, 78780472), (2, 39390236), (4, 19695118), (8, 9847559), (29, 2716568), (43, 1832104), (53, 1486424), (58, 1358284), (86, 916052), (106, 743212), (116, 679142), (149, 528728), (172, 458026), (212, 371606), (232, 339571), (298, 264364), (344, 229013), (424, 185803), (596, 132182), (1192, 66091), (1247, 63176), (1537, 51256), (2279, 34568), (2494, 31588), (3074, 25628), (4321, 18232), (4558, 17284), (4988, 15794), (6148, 12814), (6407, 12296), (7897, 9976), (8642, 9116)]