274638520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{40627}}^1$

素因数の和:40664

約数の個数: 48

約数和(自身を含む): 669143160

約数和(自身を除く): 394504640

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, 40627, 81254, 162508, 203135, 325016, 406270, 528151, 812540, 1056302, 1625080, 2112604, 2640755, 4225208, 5281510, 6865963, 10563020, 13731926, 21126040, 27463852, 34329815, 54927704, 68659630, 137319260, 274638520]

約数ペア:

[(1, 274638520), (2, 137319260), (4, 68659630), (5, 54927704), (8, 34329815), (10, 27463852), (13, 21126040), (20, 13731926), (26, 10563020), (40, 6865963), (52, 5281510), (65, 4225208), (104, 2640755), (130, 2112604), (169, 1625080), (260, 1056302), (338, 812540), (520, 528151), (676, 406270), (845, 325016), (1352, 203135), (1690, 162508), (3380, 81254), (6760, 40627)]