3955000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{113}}^1$

素因数の和:146

約数の個数: 80

約数和(自身を含む): 10684080

約数和(自身を除く): 6729080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 113, 125, 140, 175, 200, 226, 250, 280, 350, 452, 500, 565, 625, 700, 791, 875, 904, 1000, 1130, 1250, 1400, 1582, 1750, 2260, 2500, 2825, 3164, 3500, 3955, 4375, 4520, 5000, 5650, 6328, 7000, 7910, 8750, 11300, 14125, 15820, 17500, 19775, 22600, 28250, 31640, 35000, 39550, 56500, 70625, 79100, 98875, 113000, 141250, 158200, 197750, 282500, 395500, 494375, 565000, 791000, 988750, 1977500, 3955000]

約数ペア:

[(1, 3955000), (2, 1977500), (4, 988750), (5, 791000), (7, 565000), (8, 494375), (10, 395500), (14, 282500), (20, 197750), (25, 158200), (28, 141250), (35, 113000), (40, 98875), (50, 79100), (56, 70625), (70, 56500), (100, 39550), (113, 35000), (125, 31640), (140, 28250), (175, 22600), (200, 19775), (226, 17500), (250, 15820), (280, 14125), (350, 11300), (452, 8750), (500, 7910), (565, 7000), (625, 6328), (700, 5650), (791, 5000), (875, 4520), (904, 4375), (1000, 3955), (1130, 3500), (1250, 3164), (1400, 2825), (1582, 2500), (1750, 2260)]