280220800

素因数分解:

$2^7\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1307}}^1$

素因数の和:1398

約数の個数: 96

約数和(自身を含む): 703102320

約数和(自身を除く): 422881520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 128, 134, 160, 200, 268, 320, 335, 400, 536, 640, 670, 800, 1072, 1307, 1340, 1600, 1675, 2144, 2614, 2680, 3200, 3350, 4288, 5228, 5360, 6535, 6700, 8576, 10456, 10720, 13070, 13400, 20912, 21440, 26140, 26800, 32675, 41824, 42880, 52280, 53600, 65350, 83648, 87569, 104560, 107200, 130700, 167296, 175138, 209120, 214400, 261400, 350276, 418240, 437845, 522800, 700552, 836480, 875690, 1045600, 1401104, 1751380, 2091200, 2189225, 2802208, 3502760, 4182400, 4378450, 5604416, 7005520, 8756900, 11208832, 14011040, 17513800, 28022080, 35027600, 56044160, 70055200, 140110400, 280220800]

約数ペア:

[(1, 280220800), (2, 140110400), (4, 70055200), (5, 56044160), (8, 35027600), (10, 28022080), (16, 17513800), (20, 14011040), (25, 11208832), (32, 8756900), (40, 7005520), (50, 5604416), (64, 4378450), (67, 4182400), (80, 3502760), (100, 2802208), (128, 2189225), (134, 2091200), (160, 1751380), (200, 1401104), (268, 1045600), (320, 875690), (335, 836480), (400, 700552), (536, 522800), (640, 437845), (670, 418240), (800, 350276), (1072, 261400), (1307, 214400), (1340, 209120), (1600, 175138), (1675, 167296), (2144, 130700), (2614, 107200), (2680, 104560), (3200, 87569), (3350, 83648), (4288, 65350), (5228, 53600), (5360, 52280), (6535, 42880), (6700, 41824), (8576, 32675), (10456, 26800), (10720, 26140), (13070, 21440), (13400, 20912)]