791000

素因数分解:

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

素因数の和:141

約数の個数: 64

約数和(自身を含む): 2134080

約数和(自身を除く): 1343080

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, 700, 791, 875, 904, 1000, 1130, 1400, 1582, 1750, 2260, 2825, 3164, 3500, 3955, 4520, 5650, 6328, 7000, 7910, 11300, 14125, 15820, 19775, 22600, 28250, 31640, 39550, 56500, 79100, 98875, 113000, 158200, 197750, 395500, 791000]

約数ペア:

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