54589990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 67337690

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 239, 251, 455, 478, 502, 910, 1195, 1255, 1673, 1757, 2390, 2510, 3107, 3263, 3346, 3514, 6214, 6526, 8365, 8785, 15535, 16315, 16730, 17570, 21749, 22841, 31070, 32630, 43498, 45682, 59989, 108745, 114205, 119978, 217490, 228410, 299945, 419923, 599890, 779857, 839846, 1559714, 2099615, 3899285, 4199230, 5458999, 7798570, 10917998, 27294995, 54589990]

約数ペア:

[(1, 54589990), (2, 27294995), (5, 10917998), (7, 7798570), (10, 5458999), (13, 4199230), (14, 3899285), (26, 2099615), (35, 1559714), (65, 839846), (70, 779857), (91, 599890), (130, 419923), (182, 299945), (239, 228410), (251, 217490), (455, 119978), (478, 114205), (502, 108745), (910, 59989), (1195, 45682), (1255, 43498), (1673, 32630), (1757, 31070), (2390, 22841), (2510, 21749), (3107, 17570), (3263, 16730), (3346, 16315), (3514, 15535), (6214, 8785), (6526, 8365)]