203878960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149911}}^1$

素因数の和:149941

約数の個数: 40

約数和(自身を含む): 501905376

約数和(自身を除く): 298026416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 149911, 299822, 599644, 749555, 1199288, 1499110, 2398576, 2548487, 2998220, 5096974, 5996440, 10193948, 11992880, 12742435, 20387896, 25484870, 40775792, 50969740, 101939480, 203878960]

約数ペア:

[(1, 203878960), (2, 101939480), (4, 50969740), (5, 40775792), (8, 25484870), (10, 20387896), (16, 12742435), (17, 11992880), (20, 10193948), (34, 5996440), (40, 5096974), (68, 2998220), (80, 2548487), (85, 2398576), (136, 1499110), (170, 1199288), (272, 749555), (340, 599644), (680, 299822), (1360, 149911)]