7766000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:387

約数の個数: 80

約数和(自身を含む): 20543328

約数和(自身を除く): 12777328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 353, 400, 440, 500, 550, 706, 880, 1000, 1100, 1375, 1412, 1765, 2000, 2200, 2750, 2824, 3530, 3883, 4400, 5500, 5648, 7060, 7766, 8825, 11000, 14120, 15532, 17650, 19415, 22000, 28240, 31064, 35300, 38830, 44125, 62128, 70600, 77660, 88250, 97075, 141200, 155320, 176500, 194150, 310640, 353000, 388300, 485375, 706000, 776600, 970750, 1553200, 1941500, 3883000, 7766000]

約数ペア:

[(1, 7766000), (2, 3883000), (4, 1941500), (5, 1553200), (8, 970750), (10, 776600), (11, 706000), (16, 485375), (20, 388300), (22, 353000), (25, 310640), (40, 194150), (44, 176500), (50, 155320), (55, 141200), (80, 97075), (88, 88250), (100, 77660), (110, 70600), (125, 62128), (176, 44125), (200, 38830), (220, 35300), (250, 31064), (275, 28240), (353, 22000), (400, 19415), (440, 17650), (500, 15532), (550, 14120), (706, 11000), (880, 8825), (1000, 7766), (1100, 7060), (1375, 5648), (1412, 5500), (1765, 4400), (2000, 3883), (2200, 3530), (2750, 2824)]