1998544480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{734759}}^1$

素因数の和:734791

約数の個数: 48

約数和(自身を含む): 4999307040

約数和(自身を除く): 3000762560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 734759, 1469518, 2939036, 3673795, 5878072, 7347590, 11756144, 12490903, 14695180, 23512288, 24981806, 29390360, 49963612, 58780720, 62454515, 99927224, 117561440, 124909030, 199854448, 249818060, 399708896, 499636120, 999272240, 1998544480]

約数ペア:

[(1, 1998544480), (2, 999272240), (4, 499636120), (5, 399708896), (8, 249818060), (10, 199854448), (16, 124909030), (17, 117561440), (20, 99927224), (32, 62454515), (34, 58780720), (40, 49963612), (68, 29390360), (80, 24981806), (85, 23512288), (136, 14695180), (160, 12490903), (170, 11756144), (272, 7347590), (340, 5878072), (544, 3673795), (680, 2939036), (1360, 1469518), (2720, 734759)]