220525312

素因数分解:

$2^8\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1261

約数の個数: 72

約数和(自身を含む): 508138400

約数和(自身を除く): 287613088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 128, 218, 224, 256, 436, 448, 763, 872, 896, 1129, 1526, 1744, 1792, 2258, 3052, 3488, 4516, 6104, 6976, 7903, 9032, 12208, 13952, 15806, 18064, 24416, 27904, 31612, 36128, 48832, 63224, 72256, 97664, 123061, 126448, 144512, 195328, 246122, 252896, 289024, 492244, 505792, 861427, 984488, 1011584, 1722854, 1968976, 2023168, 3445708, 3937952, 6891416, 7875904, 13782832, 15751808, 27565664, 31503616, 55131328, 110262656, 220525312]

約数ペア:

[(1, 220525312), (2, 110262656), (4, 55131328), (7, 31503616), (8, 27565664), (14, 15751808), (16, 13782832), (28, 7875904), (32, 6891416), (56, 3937952), (64, 3445708), (109, 2023168), (112, 1968976), (128, 1722854), (218, 1011584), (224, 984488), (256, 861427), (436, 505792), (448, 492244), (763, 289024), (872, 252896), (896, 246122), (1129, 195328), (1526, 144512), (1744, 126448), (1792, 123061), (2258, 97664), (3052, 72256), (3488, 63224), (4516, 48832), (6104, 36128), (6976, 31612), (7903, 27904), (9032, 24416), (12208, 18064), (13952, 15806)]