208877488

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:147

約数の個数: 90

約数和(自身を含む): 452644764

約数和(自身を除く): 243767276

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 43, 58, 76, 86, 116, 152, 172, 232, 304, 344, 361, 464, 551, 688, 722, 817, 841, 1102, 1247, 1444, 1634, 1682, 2204, 2494, 2888, 3268, 3364, 4408, 4988, 5776, 6536, 6728, 8816, 9976, 10469, 13072, 13456, 15523, 15979, 19952, 20938, 23693, 31046, 31958, 36163, 41876, 47386, 62092, 63916, 72326, 83752, 94772, 124184, 127832, 144652, 167504, 189544, 248368, 255664, 289304, 303601, 379088, 450167, 578608, 607202, 687097, 900334, 1214404, 1374194, 1800668, 2428808, 2748388, 3601336, 4857616, 5496776, 7202672, 10993552, 13054843, 26109686, 52219372, 104438744, 208877488]

約数ペア:

[(1, 208877488), (2, 104438744), (4, 52219372), (8, 26109686), (16, 13054843), (19, 10993552), (29, 7202672), (38, 5496776), (43, 4857616), (58, 3601336), (76, 2748388), (86, 2428808), (116, 1800668), (152, 1374194), (172, 1214404), (232, 900334), (304, 687097), (344, 607202), (361, 578608), (464, 450167), (551, 379088), (688, 303601), (722, 289304), (817, 255664), (841, 248368), (1102, 189544), (1247, 167504), (1444, 144652), (1634, 127832), (1682, 124184), (2204, 94772), (2494, 83752), (2888, 72326), (3268, 63916), (3364, 62092), (4408, 47386), (4988, 41876), (5776, 36163), (6536, 31958), (6728, 31046), (8816, 23693), (9976, 20938), (10469, 19952), (13072, 15979), (13456, 15523)]