1977500

素因数分解:

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

素因数の和:144

約数の個数: 60

約数和(自身を含む): 4985904

約数和(自身を除く): 3008404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 113, 125, 140, 175, 226, 250, 350, 452, 500, 565, 625, 700, 791, 875, 1130, 1250, 1582, 1750, 2260, 2500, 2825, 3164, 3500, 3955, 4375, 5650, 7910, 8750, 11300, 14125, 15820, 17500, 19775, 28250, 39550, 56500, 70625, 79100, 98875, 141250, 197750, 282500, 395500, 494375, 988750, 1977500]

約数ペア:

[(1, 1977500), (2, 988750), (4, 494375), (5, 395500), (7, 282500), (10, 197750), (14, 141250), (20, 98875), (25, 79100), (28, 70625), (35, 56500), (50, 39550), (70, 28250), (100, 19775), (113, 17500), (125, 15820), (140, 14125), (175, 11300), (226, 8750), (250, 7910), (350, 5650), (452, 4375), (500, 3955), (565, 3500), (625, 3164), (700, 2825), (791, 2500), (875, 2260), (1130, 1750), (1250, 1582)]