788012080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{518429}}^1$

素因数の和:518461

約数の個数: 40

約数和(自身を含む): 1928559600

約数和(自身を除く): 1140547520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 518429, 1036858, 2073716, 2592145, 4147432, 5184290, 8294864, 9850151, 10368580, 19700302, 20737160, 39400604, 41474320, 49250755, 78801208, 98501510, 157602416, 197003020, 394006040, 788012080]

約数ペア:

[(1, 788012080), (2, 394006040), (4, 197003020), (5, 157602416), (8, 98501510), (10, 78801208), (16, 49250755), (19, 41474320), (20, 39400604), (38, 20737160), (40, 19700302), (76, 10368580), (80, 9850151), (95, 8294864), (152, 5184290), (190, 4147432), (304, 2592145), (380, 2073716), (760, 1036858), (1520, 518429)]