2888000

素因数分解:

$2^6\times 5^3\times {\mathrm{19}}^2$

素因数の和:65

約数の個数: 84

約数和(自身を含む): 7548372

約数和(自身を除く): 4660372

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 152, 160, 190, 200, 250, 304, 320, 361, 380, 400, 475, 500, 608, 722, 760, 800, 950, 1000, 1216, 1444, 1520, 1600, 1805, 1900, 2000, 2375, 2888, 3040, 3610, 3800, 4000, 4750, 5776, 6080, 7220, 7600, 8000, 9025, 9500, 11552, 14440, 15200, 18050, 19000, 23104, 28880, 30400, 36100, 38000, 45125, 57760, 72200, 76000, 90250, 115520, 144400, 152000, 180500, 288800, 361000, 577600, 722000, 1444000, 2888000]

約数ペア:

[(1, 2888000), (2, 1444000), (4, 722000), (5, 577600), (8, 361000), (10, 288800), (16, 180500), (19, 152000), (20, 144400), (25, 115520), (32, 90250), (38, 76000), (40, 72200), (50, 57760), (64, 45125), (76, 38000), (80, 36100), (95, 30400), (100, 28880), (125, 23104), (152, 19000), (160, 18050), (190, 15200), (200, 14440), (250, 11552), (304, 9500), (320, 9025), (361, 8000), (380, 7600), (400, 7220), (475, 6080), (500, 5776), (608, 4750), (722, 4000), (760, 3800), (800, 3610), (950, 3040), (1000, 2888), (1216, 2375), (1444, 2000), (1520, 1900), (1600, 1805)]