247388080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181903}}^1$

素因数の和:181933

約数の個数: 40

約数和(自身を含む): 609014592

約数和(自身を除く): 361626512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 181903, 363806, 727612, 909515, 1455224, 1819030, 2910448, 3092351, 3638060, 6184702, 7276120, 12369404, 14552240, 15461755, 24738808, 30923510, 49477616, 61847020, 123694040, 247388080]

約数ペア:

[(1, 247388080), (2, 123694040), (4, 61847020), (5, 49477616), (8, 30923510), (10, 24738808), (16, 15461755), (17, 14552240), (20, 12369404), (34, 7276120), (40, 6184702), (68, 3638060), (80, 3092351), (85, 2910448), (136, 1819030), (170, 1455224), (272, 909515), (340, 727612), (680, 363806), (1360, 181903)]