216870508780

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5849}}^1\times {\mathrm{6841}}^1$

素因数の和:12970

約数の個数: 48

約数和(自身を含む): 457253596800

約数和(自身を除く): 240383088020

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 5849, 6841, 11698, 13682, 23396, 27364, 29245, 34205, 58490, 68410, 116980, 136820, 1585079, 1853911, 3170158, 3707822, 6340316, 7415644, 7925395, 9269555, 15850790, 18539110, 31701580, 37078220, 40013009, 80026018, 160052036, 200065045, 400130090, 800260180, 10843525439, 21687050878, 43374101756, 54217627195, 108435254390, 216870508780]

約数ペア:

[(1, 216870508780), (2, 108435254390), (4, 54217627195), (5, 43374101756), (10, 21687050878), (20, 10843525439), (271, 800260180), (542, 400130090), (1084, 200065045), (1355, 160052036), (2710, 80026018), (5420, 40013009), (5849, 37078220), (6841, 31701580), (11698, 18539110), (13682, 15850790), (23396, 9269555), (27364, 7925395), (29245, 7415644), (34205, 6340316), (58490, 3707822), (68410, 3170158), (116980, 1853911), (136820, 1585079)]