217355840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52249}}^1$

素因数の和:52279

約数の個数: 56

約数和(自身を含む): 557403000

約数和(自身を除く): 340047160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 52249, 104498, 208996, 261245, 417992, 522490, 679237, 835984, 1044980, 1358474, 1671968, 2089960, 2716948, 3343936, 3396185, 4179920, 5433896, 6792370, 8359840, 10867792, 13584740, 16719680, 21735584, 27169480, 43471168, 54338960, 108677920, 217355840]

約数ペア:

[(1, 217355840), (2, 108677920), (4, 54338960), (5, 43471168), (8, 27169480), (10, 21735584), (13, 16719680), (16, 13584740), (20, 10867792), (26, 8359840), (32, 6792370), (40, 5433896), (52, 4179920), (64, 3396185), (65, 3343936), (80, 2716948), (104, 2089960), (130, 1671968), (160, 1358474), (208, 1044980), (260, 835984), (320, 679237), (416, 522490), (520, 417992), (832, 261245), (1040, 208996), (2080, 104498), (4160, 52249)]