211988320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:680

約数の個数: 96

約数和(自身を含む): 532072800

約数和(自身を除く): 320084480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 137, 152, 160, 190, 274, 304, 380, 509, 548, 608, 685, 760, 1018, 1096, 1370, 1520, 2036, 2192, 2545, 2603, 2740, 3040, 4072, 4384, 5090, 5206, 5480, 8144, 9671, 10180, 10412, 10960, 13015, 16288, 19342, 20360, 20824, 21920, 26030, 38684, 40720, 41648, 48355, 52060, 69733, 77368, 81440, 83296, 96710, 104120, 139466, 154736, 193420, 208240, 278932, 309472, 348665, 386840, 416480, 557864, 697330, 773680, 1115728, 1324927, 1394660, 1547360, 2231456, 2649854, 2789320, 5299708, 5578640, 6624635, 10599416, 11157280, 13249270, 21198832, 26498540, 42397664, 52997080, 105994160, 211988320]

約数ペア:

[(1, 211988320), (2, 105994160), (4, 52997080), (5, 42397664), (8, 26498540), (10, 21198832), (16, 13249270), (19, 11157280), (20, 10599416), (32, 6624635), (38, 5578640), (40, 5299708), (76, 2789320), (80, 2649854), (95, 2231456), (137, 1547360), (152, 1394660), (160, 1324927), (190, 1115728), (274, 773680), (304, 697330), (380, 557864), (509, 416480), (548, 386840), (608, 348665), (685, 309472), (760, 278932), (1018, 208240), (1096, 193420), (1370, 154736), (1520, 139466), (2036, 104120), (2192, 96710), (2545, 83296), (2603, 81440), (2740, 77368), (3040, 69733), (4072, 52060), (4384, 48355), (5090, 41648), (5206, 40720), (5480, 38684), (8144, 26030), (9671, 21920), (10180, 20824), (10412, 20360), (10960, 19342), (13015, 16288)]