219314680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{32443}}^1$

素因数の和:32480

約数の個数: 48

約数和(自身を含む): 534352680

約数和(自身を除く): 315038000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 32443, 64886, 129772, 162215, 259544, 324430, 421759, 648860, 843518, 1297720, 1687036, 2108795, 3374072, 4217590, 5482867, 8435180, 10965734, 16870360, 21931468, 27414335, 43862936, 54828670, 109657340, 219314680]

約数ペア:

[(1, 219314680), (2, 109657340), (4, 54828670), (5, 43862936), (8, 27414335), (10, 21931468), (13, 16870360), (20, 10965734), (26, 8435180), (40, 5482867), (52, 4217590), (65, 3374072), (104, 2108795), (130, 1687036), (169, 1297720), (260, 843518), (338, 648860), (520, 421759), (676, 324430), (845, 259544), (1352, 162215), (1690, 129772), (3380, 64886), (6760, 32443)]