889072000

素因数分解:

$2^7\times 5^3\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 2229907680

約数和(自身を除く): 1340835680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 181, 200, 250, 307, 320, 362, 400, 500, 614, 640, 724, 800, 905, 1000, 1228, 1448, 1535, 1600, 1810, 2000, 2456, 2896, 3070, 3200, 3620, 4000, 4525, 4912, 5792, 6140, 7240, 7675, 8000, 9050, 9824, 11584, 12280, 14480, 15350, 16000, 18100, 19648, 22625, 23168, 24560, 28960, 30700, 36200, 38375, 39296, 45250, 49120, 55567, 57920, 61400, 72400, 76750, 90500, 98240, 111134, 115840, 122800, 144800, 153500, 181000, 196480, 222268, 245600, 277835, 289600, 307000, 362000, 444536, 491200, 555670, 579200, 614000, 724000, 889072, 982400, 1111340, 1228000, 1389175, 1448000, 1778144, 2222680, 2456000, 2778350, 2896000, 3556288, 4445360, 4912000, 5556700, 6945875, 7112576, 8890720, 11113400, 13891750, 17781440, 22226800, 27783500, 35562880, 44453600, 55567000, 88907200, 111134000, 177814400, 222268000, 444536000, 889072000]

約数ペア:

[(1, 889072000), (2, 444536000), (4, 222268000), (5, 177814400), (8, 111134000), (10, 88907200), (16, 55567000), (20, 44453600), (25, 35562880), (32, 27783500), (40, 22226800), (50, 17781440), (64, 13891750), (80, 11113400), (100, 8890720), (125, 7112576), (128, 6945875), (160, 5556700), (181, 4912000), (200, 4445360), (250, 3556288), (307, 2896000), (320, 2778350), (362, 2456000), (400, 2222680), (500, 1778144), (614, 1448000), (640, 1389175), (724, 1228000), (800, 1111340), (905, 982400), (1000, 889072), (1228, 724000), (1448, 614000), (1535, 579200), (1600, 555670), (1810, 491200), (2000, 444536), (2456, 362000), (2896, 307000), (3070, 289600), (3200, 277835), (3620, 245600), (4000, 222268), (4525, 196480), (4912, 181000), (5792, 153500), (6140, 144800), (7240, 122800), (7675, 115840), (8000, 111134), (9050, 98240), (9824, 90500), (11584, 76750), (12280, 72400), (14480, 61400), (15350, 57920), (16000, 55567), (18100, 49120), (19648, 45250), (22625, 39296), (23168, 38375), (24560, 36200), (28960, 30700)]