55309000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 141523200

約数和(自身を除く): 86214200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 41, 50, 71, 76, 82, 95, 100, 125, 142, 152, 164, 190, 200, 205, 250, 284, 328, 355, 380, 410, 475, 500, 568, 710, 760, 779, 820, 950, 1000, 1025, 1349, 1420, 1558, 1640, 1775, 1900, 2050, 2375, 2698, 2840, 2911, 3116, 3550, 3800, 3895, 4100, 4750, 5125, 5396, 5822, 6232, 6745, 7100, 7790, 8200, 8875, 9500, 10250, 10792, 11644, 13490, 14200, 14555, 15580, 17750, 19000, 19475, 20500, 23288, 26980, 29110, 31160, 33725, 35500, 38950, 41000, 53960, 55309, 58220, 67450, 71000, 72775, 77900, 97375, 110618, 116440, 134900, 145550, 155800, 168625, 194750, 221236, 269800, 276545, 291100, 337250, 363875, 389500, 442472, 553090, 582200, 674500, 727750, 779000, 1106180, 1349000, 1382725, 1455500, 2212360, 2765450, 2911000, 5530900, 6913625, 11061800, 13827250, 27654500, 55309000]

約数ペア:

[(1, 55309000), (2, 27654500), (4, 13827250), (5, 11061800), (8, 6913625), (10, 5530900), (19, 2911000), (20, 2765450), (25, 2212360), (38, 1455500), (40, 1382725), (41, 1349000), (50, 1106180), (71, 779000), (76, 727750), (82, 674500), (95, 582200), (100, 553090), (125, 442472), (142, 389500), (152, 363875), (164, 337250), (190, 291100), (200, 276545), (205, 269800), (250, 221236), (284, 194750), (328, 168625), (355, 155800), (380, 145550), (410, 134900), (475, 116440), (500, 110618), (568, 97375), (710, 77900), (760, 72775), (779, 71000), (820, 67450), (950, 58220), (1000, 55309), (1025, 53960), (1349, 41000), (1420, 38950), (1558, 35500), (1640, 33725), (1775, 31160), (1900, 29110), (2050, 26980), (2375, 23288), (2698, 20500), (2840, 19475), (2911, 19000), (3116, 17750), (3550, 15580), (3800, 14555), (3895, 14200), (4100, 13490), (4750, 11644), (5125, 10792), (5396, 10250), (5822, 9500), (6232, 8875), (6745, 8200), (7100, 7790)]