128524900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2063}}^1$

素因数の和:2173

約数の個数: 72

約数和(自身を含む): 322479360

約数和(自身を除く): 193954460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 140, 175, 178, 350, 356, 445, 623, 700, 890, 1246, 1780, 2063, 2225, 2492, 3115, 4126, 4450, 6230, 8252, 8900, 10315, 12460, 14441, 15575, 20630, 28882, 31150, 41260, 51575, 57764, 62300, 72205, 103150, 144410, 183607, 206300, 288820, 361025, 367214, 722050, 734428, 918035, 1285249, 1444100, 1836070, 2570498, 3672140, 4590175, 5140996, 6426245, 9180350, 12852490, 18360700, 25704980, 32131225, 64262450, 128524900]

約数ペア:

[(1, 128524900), (2, 64262450), (4, 32131225), (5, 25704980), (7, 18360700), (10, 12852490), (14, 9180350), (20, 6426245), (25, 5140996), (28, 4590175), (35, 3672140), (50, 2570498), (70, 1836070), (89, 1444100), (100, 1285249), (140, 918035), (175, 734428), (178, 722050), (350, 367214), (356, 361025), (445, 288820), (623, 206300), (700, 183607), (890, 144410), (1246, 103150), (1780, 72205), (2063, 62300), (2225, 57764), (2492, 51575), (3115, 41260), (4126, 31150), (4450, 28882), (6230, 20630), (8252, 15575), (8900, 14441), (10315, 12460)]