217059640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{4481}}^1$

素因数の和:4672

約数の個数: 64

約数和(自身を含む): 561504960

約数和(自身を除く): 344445320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1730, 2422, 3460, 4481, 4844, 6055, 6920, 8962, 9688, 12110, 17924, 22405, 24220, 31367, 35848, 44810, 48440, 62734, 89620, 125468, 156835, 179240, 250936, 313670, 627340, 775213, 1254680, 1550426, 3100852, 3876065, 5426491, 6201704, 7752130, 10852982, 15504260, 21705964, 27132455, 31008520, 43411928, 54264910, 108529820, 217059640]

約数ペア:

[(1, 217059640), (2, 108529820), (4, 54264910), (5, 43411928), (7, 31008520), (8, 27132455), (10, 21705964), (14, 15504260), (20, 10852982), (28, 7752130), (35, 6201704), (40, 5426491), (56, 3876065), (70, 3100852), (140, 1550426), (173, 1254680), (280, 775213), (346, 627340), (692, 313670), (865, 250936), (1211, 179240), (1384, 156835), (1730, 125468), (2422, 89620), (3460, 62734), (4481, 48440), (4844, 44810), (6055, 35848), (6920, 31367), (8962, 24220), (9688, 22405), (12110, 17924)]