18717329680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4774829}}^1$

素因数の和:4774856

約数の個数: 60

約数和(自身を含む): 50622747660

約数和(自身を除く): 31905417980

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4774829, 9549658, 19099316, 23874145, 33423803, 38198632, 47748290, 66847606, 76397264, 95496580, 133695212, 167119015, 190993160, 233966621, 267390424, 334238030, 381986320, 467933242, 534780848, 668476060, 935866484, 1169833105, 1336952120, 1871732968, 2339666210, 2673904240, 3743465936, 4679332420, 9358664840, 18717329680]

約数ペア:

[(1, 18717329680), (2, 9358664840), (4, 4679332420), (5, 3743465936), (7, 2673904240), (8, 2339666210), (10, 1871732968), (14, 1336952120), (16, 1169833105), (20, 935866484), (28, 668476060), (35, 534780848), (40, 467933242), (49, 381986320), (56, 334238030), (70, 267390424), (80, 233966621), (98, 190993160), (112, 167119015), (140, 133695212), (196, 95496580), (245, 76397264), (280, 66847606), (392, 47748290), (490, 38198632), (560, 33423803), (784, 23874145), (980, 19099316), (1960, 9549658), (3920, 4774829)]