220143640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1879}}^1$

素因数の和:2020

約数の個数: 64

約数和(自身を含む): 517752000

約数和(自身を除く): 297608360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 101, 116, 145, 202, 232, 290, 404, 505, 580, 808, 1010, 1160, 1879, 2020, 2929, 3758, 4040, 5858, 7516, 9395, 11716, 14645, 15032, 18790, 23432, 29290, 37580, 54491, 58580, 75160, 108982, 117160, 189779, 217964, 272455, 379558, 435928, 544910, 759116, 948895, 1089820, 1518232, 1897790, 2179640, 3795580, 5503591, 7591160, 11007182, 22014364, 27517955, 44028728, 55035910, 110071820, 220143640]

約数ペア:

[(1, 220143640), (2, 110071820), (4, 55035910), (5, 44028728), (8, 27517955), (10, 22014364), (20, 11007182), (29, 7591160), (40, 5503591), (58, 3795580), (101, 2179640), (116, 1897790), (145, 1518232), (202, 1089820), (232, 948895), (290, 759116), (404, 544910), (505, 435928), (580, 379558), (808, 272455), (1010, 217964), (1160, 189779), (1879, 117160), (2020, 108982), (2929, 75160), (3758, 58580), (4040, 54491), (5858, 37580), (7516, 29290), (9395, 23432), (11716, 18790), (14645, 15032)]