2856920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 7223040

約数和(自身を除く): 4366120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 151, 172, 215, 220, 302, 344, 430, 440, 473, 604, 755, 860, 946, 1208, 1510, 1661, 1720, 1892, 2365, 3020, 3322, 3784, 4730, 6040, 6493, 6644, 8305, 9460, 12986, 13288, 16610, 18920, 25972, 32465, 33220, 51944, 64930, 66440, 71423, 129860, 142846, 259720, 285692, 357115, 571384, 714230, 1428460, 2856920]

約数ペア:

[(1, 2856920), (2, 1428460), (4, 714230), (5, 571384), (8, 357115), (10, 285692), (11, 259720), (20, 142846), (22, 129860), (40, 71423), (43, 66440), (44, 64930), (55, 51944), (86, 33220), (88, 32465), (110, 25972), (151, 18920), (172, 16610), (215, 13288), (220, 12986), (302, 9460), (344, 8305), (430, 6644), (440, 6493), (473, 6040), (604, 4730), (755, 3784), (860, 3322), (946, 3020), (1208, 2365), (1510, 1892), (1661, 1720)]