248979040

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81901}}^1$

素因数の和:81935

約数の個数: 48

約数和(自身を含む): 619179120

約数和(自身を除く): 370200080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 81901, 163802, 327604, 409505, 655208, 819010, 1310416, 1556119, 1638020, 2620832, 3112238, 3276040, 6224476, 6552080, 7780595, 12448952, 13104160, 15561190, 24897904, 31122380, 49795808, 62244760, 124489520, 248979040]

約数ペア:

[(1, 248979040), (2, 124489520), (4, 62244760), (5, 49795808), (8, 31122380), (10, 24897904), (16, 15561190), (19, 13104160), (20, 12448952), (32, 7780595), (38, 6552080), (40, 6224476), (76, 3276040), (80, 3112238), (95, 2620832), (152, 1638020), (160, 1556119), (190, 1310416), (304, 819010), (380, 655208), (608, 409505), (760, 327604), (1520, 163802), (3040, 81901)]