394717977904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1\times {\mathrm{24329}}^1$

素因数の和:25082

約数の個数: 80

約数和(自身を含む): 816016521600

約数和(自身を除く): 421298543696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 83, 152, 166, 304, 332, 643, 664, 1286, 1328, 1577, 2572, 3154, 5144, 6308, 10288, 12217, 12616, 24329, 24434, 25232, 48658, 48868, 53369, 97316, 97736, 106738, 194632, 195472, 213476, 389264, 426952, 462251, 853904, 924502, 1014011, 1849004, 2019307, 2028022, 3698008, 4038614, 4056044, 7396016, 8077228, 8112088, 15643547, 16154456, 16224176, 31287094, 32308912, 38366833, 62574188, 76733666, 125148376, 153467332, 250296752, 297227393, 306934664, 594454786, 613869328, 1188909572, 1298414401, 2377819144, 2596828802, 4755638288, 5193657604, 10387315208, 20774630416, 24669873619, 49339747238, 98679494476, 197358988952, 394717977904]

約数ペア:

[(1, 394717977904), (2, 197358988952), (4, 98679494476), (8, 49339747238), (16, 24669873619), (19, 20774630416), (38, 10387315208), (76, 5193657604), (83, 4755638288), (152, 2596828802), (166, 2377819144), (304, 1298414401), (332, 1188909572), (643, 613869328), (664, 594454786), (1286, 306934664), (1328, 297227393), (1577, 250296752), (2572, 153467332), (3154, 125148376), (5144, 76733666), (6308, 62574188), (10288, 38366833), (12217, 32308912), (12616, 31287094), (24329, 16224176), (24434, 16154456), (25232, 15643547), (48658, 8112088), (48868, 8077228), (53369, 7396016), (97316, 4056044), (97736, 4038614), (106738, 3698008), (194632, 2028022), (195472, 2019307), (213476, 1849004), (389264, 1014011), (426952, 924502), (462251, 853904)]