289646560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{258613}}^1$

素因数の和:258635

約数の個数: 48

約数和(自身を含む): 782048736

約数和(自身を除く): 492402176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 258613, 517226, 1034452, 1293065, 1810291, 2068904, 2586130, 3620582, 4137808, 5172260, 7241164, 8275616, 9051455, 10344520, 14482328, 18102910, 20689040, 28964656, 36205820, 41378080, 57929312, 72411640, 144823280, 289646560]

約数ペア:

[(1, 289646560), (2, 144823280), (4, 72411640), (5, 57929312), (7, 41378080), (8, 36205820), (10, 28964656), (14, 20689040), (16, 18102910), (20, 14482328), (28, 10344520), (32, 9051455), (35, 8275616), (40, 7241164), (56, 5172260), (70, 4137808), (80, 3620582), (112, 2586130), (140, 2068904), (160, 1810291), (224, 1293065), (280, 1034452), (560, 517226), (1120, 258613)]