788139730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{81001}}^1$

素因数の和:81154

約数の個数: 32

約数和(自身を含む): 1633000320

約数和(自身を除く): 844860590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 81001, 162002, 405005, 567007, 810010, 1134014, 2835035, 5670070, 11259139, 22518278, 56295695, 78813973, 112591390, 157627946, 394069865, 788139730]

約数ペア:

[(1, 788139730), (2, 394069865), (5, 157627946), (7, 112591390), (10, 78813973), (14, 56295695), (35, 22518278), (70, 11259139), (139, 5670070), (278, 2835035), (695, 1134014), (973, 810010), (1390, 567007), (1946, 405005), (4865, 162002), (9730, 81001)]