204420202

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 383201280

約数和(自身を除く): 178781078

約数列:

[1, 2, 7, 14, 19, 38, 47, 83, 94, 133, 166, 197, 266, 329, 394, 581, 658, 893, 1162, 1379, 1577, 1786, 2758, 3154, 3743, 3901, 6251, 7486, 7802, 9259, 11039, 12502, 16351, 18518, 22078, 26201, 27307, 32702, 52402, 54614, 64813, 74119, 114457, 129626, 148238, 175921, 228914, 310669, 351842, 518833, 621338, 768497, 1037666, 1231447, 1536994, 2174683, 2462894, 4349366, 5379479, 10758958, 14601443, 29202886, 102210101, 204420202]

約数ペア:

[(1, 204420202), (2, 102210101), (7, 29202886), (14, 14601443), (19, 10758958), (38, 5379479), (47, 4349366), (83, 2462894), (94, 2174683), (133, 1536994), (166, 1231447), (197, 1037666), (266, 768497), (329, 621338), (394, 518833), (581, 351842), (658, 310669), (893, 228914), (1162, 175921), (1379, 148238), (1577, 129626), (1786, 114457), (2758, 74119), (3154, 64813), (3743, 54614), (3901, 52402), (6251, 32702), (7486, 27307), (7802, 26201), (9259, 22078), (11039, 18518), (12502, 16351)]