69960520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{249859}}^1$

素因数の和:249877

約数の個数: 32

約数和(自身を含む): 179899200

約数和(自身を除く): 109938680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 249859, 499718, 999436, 1249295, 1749013, 1998872, 2498590, 3498026, 4997180, 6996052, 8745065, 9994360, 13992104, 17490130, 34980260, 69960520]

約数ペア:

[(1, 69960520), (2, 34980260), (4, 17490130), (5, 13992104), (7, 9994360), (8, 8745065), (10, 6996052), (14, 4997180), (20, 3498026), (28, 2498590), (35, 1998872), (40, 1749013), (56, 1249295), (70, 999436), (140, 499718), (280, 249859)]