209310992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1181}}^1$

素因数の和:1272

約数の個数: 80

約数和(自身を含む): 474880320

約数和(自身を除く): 265569328

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 53, 76, 88, 106, 152, 176, 209, 212, 304, 418, 424, 583, 836, 848, 1007, 1166, 1181, 1672, 2014, 2332, 2362, 3344, 4028, 4664, 4724, 8056, 9328, 9448, 11077, 12991, 16112, 18896, 22154, 22439, 25982, 44308, 44878, 51964, 62593, 88616, 89756, 103928, 125186, 177232, 179512, 207856, 246829, 250372, 359024, 493658, 500744, 688523, 987316, 1001488, 1189267, 1377046, 1974632, 2378534, 2754092, 3949264, 4757068, 5508184, 9514136, 11016368, 13081937, 19028272, 26163874, 52327748, 104655496, 209310992]

約数ペア:

[(1, 209310992), (2, 104655496), (4, 52327748), (8, 26163874), (11, 19028272), (16, 13081937), (19, 11016368), (22, 9514136), (38, 5508184), (44, 4757068), (53, 3949264), (76, 2754092), (88, 2378534), (106, 1974632), (152, 1377046), (176, 1189267), (209, 1001488), (212, 987316), (304, 688523), (418, 500744), (424, 493658), (583, 359024), (836, 250372), (848, 246829), (1007, 207856), (1166, 179512), (1181, 177232), (1672, 125186), (2014, 103928), (2332, 89756), (2362, 88616), (3344, 62593), (4028, 51964), (4664, 44878), (4724, 44308), (8056, 25982), (9328, 22439), (9448, 22154), (11077, 18896), (12991, 16112)]