4891881680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{6271}}^1$

素因数の和:6497

約数の個数: 120

約数和(自身を含む): 13299148800

約数和(自身を除く): 8407267120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 199, 245, 280, 392, 398, 490, 560, 784, 796, 980, 995, 1393, 1592, 1960, 1990, 2786, 3184, 3920, 3980, 5572, 6271, 6965, 7960, 9751, 11144, 12542, 13930, 15920, 19502, 22288, 25084, 27860, 31355, 39004, 43897, 48755, 50168, 55720, 62710, 78008, 87794, 97510, 100336, 111440, 125420, 156016, 175588, 195020, 219485, 250840, 307279, 351176, 390040, 438970, 501680, 614558, 702352, 780080, 877940, 1229116, 1247929, 1536395, 1755880, 2458232, 2495858, 3072790, 3511760, 4916464, 4991716, 6145580, 6239645, 8735503, 9983432, 12291160, 12479290, 17471006, 19966864, 24582320, 24958580, 34942012, 43677515, 49917160, 61148521, 69884024, 87355030, 99834320, 122297042, 139768048, 174710060, 244594084, 305742605, 349420120, 489188168, 611485210, 698840240, 978376336, 1222970420, 2445940840, 4891881680]

約数ペア:

[(1, 4891881680), (2, 2445940840), (4, 1222970420), (5, 978376336), (7, 698840240), (8, 611485210), (10, 489188168), (14, 349420120), (16, 305742605), (20, 244594084), (28, 174710060), (35, 139768048), (40, 122297042), (49, 99834320), (56, 87355030), (70, 69884024), (80, 61148521), (98, 49917160), (112, 43677515), (140, 34942012), (196, 24958580), (199, 24582320), (245, 19966864), (280, 17471006), (392, 12479290), (398, 12291160), (490, 9983432), (560, 8735503), (784, 6239645), (796, 6145580), (980, 4991716), (995, 4916464), (1393, 3511760), (1592, 3072790), (1960, 2495858), (1990, 2458232), (2786, 1755880), (3184, 1536395), (3920, 1247929), (3980, 1229116), (5572, 877940), (6271, 780080), (6965, 702352), (7960, 614558), (9751, 501680), (11144, 438970), (12542, 390040), (13930, 351176), (15920, 307279), (19502, 250840), (22288, 219485), (25084, 195020), (27860, 175588), (31355, 156016), (39004, 125420), (43897, 111440), (48755, 100336), (50168, 97510), (55720, 87794), (62710, 78008)]