2555000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{73}}^1$

素因数の和:106

約数の個数: 80

約数和(自身を含む): 6935280

約数和(自身を除く): 4380280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 73, 100, 125, 140, 146, 175, 200, 250, 280, 292, 350, 365, 500, 511, 584, 625, 700, 730, 875, 1000, 1022, 1250, 1400, 1460, 1750, 1825, 2044, 2500, 2555, 2920, 3500, 3650, 4088, 4375, 5000, 5110, 7000, 7300, 8750, 9125, 10220, 12775, 14600, 17500, 18250, 20440, 25550, 35000, 36500, 45625, 51100, 63875, 73000, 91250, 102200, 127750, 182500, 255500, 319375, 365000, 511000, 638750, 1277500, 2555000]

約数ペア:

[(1, 2555000), (2, 1277500), (4, 638750), (5, 511000), (7, 365000), (8, 319375), (10, 255500), (14, 182500), (20, 127750), (25, 102200), (28, 91250), (35, 73000), (40, 63875), (50, 51100), (56, 45625), (70, 36500), (73, 35000), (100, 25550), (125, 20440), (140, 18250), (146, 17500), (175, 14600), (200, 12775), (250, 10220), (280, 9125), (292, 8750), (350, 7300), (365, 7000), (500, 5110), (511, 5000), (584, 4375), (625, 4088), (700, 3650), (730, 3500), (875, 2920), (1000, 2555), (1022, 2500), (1250, 2044), (1400, 1825), (1460, 1750)]