91686440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1237}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 220611600

約数和(自身を除く): 128925160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 680, 872, 1090, 1237, 1853, 2180, 2474, 3706, 4360, 4948, 6185, 7412, 9265, 9896, 12370, 14824, 18530, 21029, 24740, 37060, 42058, 49480, 74120, 84116, 105145, 134833, 168232, 210290, 269666, 420580, 539332, 674165, 841160, 1078664, 1348330, 2292161, 2696660, 4584322, 5393320, 9168644, 11460805, 18337288, 22921610, 45843220, 91686440]

約数ペア:

[(1, 91686440), (2, 45843220), (4, 22921610), (5, 18337288), (8, 11460805), (10, 9168644), (17, 5393320), (20, 4584322), (34, 2696660), (40, 2292161), (68, 1348330), (85, 1078664), (109, 841160), (136, 674165), (170, 539332), (218, 420580), (340, 269666), (436, 210290), (545, 168232), (680, 134833), (872, 105145), (1090, 84116), (1237, 74120), (1853, 49480), (2180, 42058), (2474, 37060), (3706, 24740), (4360, 21029), (4948, 18530), (6185, 14824), (7412, 12370), (9265, 9896)]