87761380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32993}}^1$

素因数の和:33028

約数の個数: 48

約数和(自身を含む): 221719680

約数和(自身を除く): 133958300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 32993, 65986, 131972, 164965, 230951, 329930, 461902, 626867, 659860, 923804, 1154755, 1253734, 2309510, 2507468, 3134335, 4388069, 4619020, 6268670, 8776138, 12537340, 17552276, 21940345, 43880690, 87761380]

約数ペア:

[(1, 87761380), (2, 43880690), (4, 21940345), (5, 17552276), (7, 12537340), (10, 8776138), (14, 6268670), (19, 4619020), (20, 4388069), (28, 3134335), (35, 2507468), (38, 2309510), (70, 1253734), (76, 1154755), (95, 923804), (133, 659860), (140, 626867), (190, 461902), (266, 329930), (380, 230951), (532, 164965), (665, 131972), (1330, 65986), (2660, 32993)]