381088894000

素因数分解:

$2^4\times 5^3\times {\mathrm{2543}}^1\times {\mathrm{74929}}^1$

素因数の和:77495

約数の個数: 80

約数和(自身を含む): 921847605120

約数和(自身を除く): 540758711120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 2543, 5086, 10172, 12715, 20344, 25430, 40688, 50860, 63575, 74929, 101720, 127150, 149858, 203440, 254300, 299716, 317875, 374645, 508600, 599432, 635750, 749290, 1017200, 1198864, 1271500, 1498580, 1873225, 2543000, 2997160, 3746450, 5086000, 5994320, 7492900, 9366125, 14985800, 18732250, 29971600, 37464500, 74929000, 149858000, 190544447, 381088894, 762177788, 952722235, 1524355576, 1905444470, 3048711152, 3810888940, 4763611175, 7621777880, 9527222350, 15243555760, 19054444700, 23818055875, 38108889400, 47636111750, 76217778800, 95272223500, 190544447000, 381088894000]

約数ペア:

[(1, 381088894000), (2, 190544447000), (4, 95272223500), (5, 76217778800), (8, 47636111750), (10, 38108889400), (16, 23818055875), (20, 19054444700), (25, 15243555760), (40, 9527222350), (50, 7621777880), (80, 4763611175), (100, 3810888940), (125, 3048711152), (200, 1905444470), (250, 1524355576), (400, 952722235), (500, 762177788), (1000, 381088894), (2000, 190544447), (2543, 149858000), (5086, 74929000), (10172, 37464500), (12715, 29971600), (20344, 18732250), (25430, 14985800), (40688, 9366125), (50860, 7492900), (63575, 5994320), (74929, 5086000), (101720, 3746450), (127150, 2997160), (149858, 2543000), (203440, 1873225), (254300, 1498580), (299716, 1271500), (317875, 1198864), (374645, 1017200), (508600, 749290), (599432, 635750)]