157079682860

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2087}}^1\times {\mathrm{18911}}^1$

素因数の和:21206

約数の個数: 48

約数和(自身を含む): 331701350400

約数和(自身を除く): 174621667540

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 2087, 3980, 4174, 8348, 10435, 18911, 20870, 37822, 41740, 75644, 94555, 189110, 378220, 415313, 830626, 1661252, 2076565, 3763289, 4153130, 7526578, 8306260, 15053156, 18816445, 37632890, 39467257, 75265780, 78934514, 157869028, 197336285, 394672570, 789345140, 7853984143, 15707968286, 31415936572, 39269920715, 78539841430, 157079682860]

約数ペア:

[(1, 157079682860), (2, 78539841430), (4, 39269920715), (5, 31415936572), (10, 15707968286), (20, 7853984143), (199, 789345140), (398, 394672570), (796, 197336285), (995, 157869028), (1990, 78934514), (2087, 75265780), (3980, 39467257), (4174, 37632890), (8348, 18816445), (10435, 15053156), (18911, 8306260), (20870, 7526578), (37822, 4153130), (41740, 3763289), (75644, 2076565), (94555, 1661252), (189110, 830626), (378220, 415313)]