521036740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{218923}}^1$

素因数の和:218956

約数の個数: 48

約数和(自身を含む): 1324052352

約数和(自身を除く): 803015612

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 218923, 437846, 875692, 1094615, 1532461, 2189230, 3064922, 3721691, 4378460, 6129844, 7443382, 7662305, 14886764, 15324610, 18608455, 26051837, 30649220, 37216910, 52103674, 74433820, 104207348, 130259185, 260518370, 521036740]

約数ペア:

[(1, 521036740), (2, 260518370), (4, 130259185), (5, 104207348), (7, 74433820), (10, 52103674), (14, 37216910), (17, 30649220), (20, 26051837), (28, 18608455), (34, 15324610), (35, 14886764), (68, 7662305), (70, 7443382), (85, 6129844), (119, 4378460), (140, 3721691), (170, 3064922), (238, 2189230), (340, 1532461), (476, 1094615), (595, 875692), (1190, 437846), (2380, 218923)]