245657440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1601}}^1$

素因数の和:1760

約数の個数: 96

約数和(自身を含む): 668533824

約数和(自身を除く): 422876384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 137, 140, 160, 224, 274, 280, 548, 560, 685, 959, 1096, 1120, 1370, 1601, 1918, 2192, 2740, 3202, 3836, 4384, 4795, 5480, 6404, 7672, 8005, 9590, 10960, 11207, 12808, 15344, 16010, 19180, 21920, 22414, 25616, 30688, 32020, 38360, 44828, 51232, 56035, 64040, 76720, 89656, 112070, 128080, 153440, 179312, 219337, 224140, 256160, 358624, 438674, 448280, 877348, 896560, 1096685, 1535359, 1754696, 1793120, 2193370, 3070718, 3509392, 4386740, 6141436, 7018784, 7676795, 8773480, 12282872, 15353590, 17546960, 24565744, 30707180, 35093920, 49131488, 61414360, 122828720, 245657440]

約数ペア:

[(1, 245657440), (2, 122828720), (4, 61414360), (5, 49131488), (7, 35093920), (8, 30707180), (10, 24565744), (14, 17546960), (16, 15353590), (20, 12282872), (28, 8773480), (32, 7676795), (35, 7018784), (40, 6141436), (56, 4386740), (70, 3509392), (80, 3070718), (112, 2193370), (137, 1793120), (140, 1754696), (160, 1535359), (224, 1096685), (274, 896560), (280, 877348), (548, 448280), (560, 438674), (685, 358624), (959, 256160), (1096, 224140), (1120, 219337), (1370, 179312), (1601, 153440), (1918, 128080), (2192, 112070), (2740, 89656), (3202, 76720), (3836, 64040), (4384, 56035), (4795, 51232), (5480, 44828), (6404, 38360), (7672, 32020), (8005, 30688), (9590, 25616), (10960, 22414), (11207, 21920), (12808, 19180), (15344, 16010)]