248879680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:972

約数の個数: 112

約数和(自身を含む): 683093376

約数和(自身を除く): 434213696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 137, 140, 160, 224, 274, 280, 320, 448, 548, 560, 685, 811, 959, 1096, 1120, 1370, 1622, 1918, 2192, 2240, 2740, 3244, 3836, 4055, 4384, 4795, 5480, 5677, 6488, 7672, 8110, 8768, 9590, 10960, 11354, 12976, 15344, 16220, 19180, 21920, 22708, 25952, 28385, 30688, 32440, 38360, 43840, 45416, 51904, 56770, 61376, 64880, 76720, 90832, 111107, 113540, 129760, 153440, 181664, 222214, 227080, 259520, 306880, 363328, 444428, 454160, 555535, 777749, 888856, 908320, 1111070, 1555498, 1777712, 1816640, 2222140, 3110996, 3555424, 3888745, 4444280, 6221992, 7110848, 7777490, 8888560, 12443984, 15554980, 17777120, 24887968, 31109960, 35554240, 49775936, 62219920, 124439840, 248879680]

約数ペア:

[(1, 248879680), (2, 124439840), (4, 62219920), (5, 49775936), (7, 35554240), (8, 31109960), (10, 24887968), (14, 17777120), (16, 15554980), (20, 12443984), (28, 8888560), (32, 7777490), (35, 7110848), (40, 6221992), (56, 4444280), (64, 3888745), (70, 3555424), (80, 3110996), (112, 2222140), (137, 1816640), (140, 1777712), (160, 1555498), (224, 1111070), (274, 908320), (280, 888856), (320, 777749), (448, 555535), (548, 454160), (560, 444428), (685, 363328), (811, 306880), (959, 259520), (1096, 227080), (1120, 222214), (1370, 181664), (1622, 153440), (1918, 129760), (2192, 113540), (2240, 111107), (2740, 90832), (3244, 76720), (3836, 64880), (4055, 61376), (4384, 56770), (4795, 51904), (5480, 45416), (5677, 43840), (6488, 38360), (7672, 32440), (8110, 30688), (8768, 28385), (9590, 25952), (10960, 22708), (11354, 21920), (12976, 19180), (15344, 16220)]