4080650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 8838720

約数和(自身を除く): 4758070

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 131, 175, 178, 262, 350, 445, 623, 655, 890, 917, 1246, 1310, 1834, 2225, 3115, 3275, 4450, 4585, 6230, 6550, 9170, 11659, 15575, 22925, 23318, 31150, 45850, 58295, 81613, 116590, 163226, 291475, 408065, 582950, 816130, 2040325, 4080650]

約数ペア:

[(1, 4080650), (2, 2040325), (5, 816130), (7, 582950), (10, 408065), (14, 291475), (25, 163226), (35, 116590), (50, 81613), (70, 58295), (89, 45850), (131, 31150), (175, 23318), (178, 22925), (262, 15575), (350, 11659), (445, 9170), (623, 6550), (655, 6230), (890, 4585), (917, 4450), (1246, 3275), (1310, 3115), (1834, 2225)]