1428460

素因数分解:

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

素因数の和:214

約数の個数: 48

約数和(自身を含む): 3370752

約数和(自身を除く): 1942292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 151, 172, 215, 220, 302, 430, 473, 604, 755, 860, 946, 1510, 1661, 1892, 2365, 3020, 3322, 4730, 6493, 6644, 8305, 9460, 12986, 16610, 25972, 32465, 33220, 64930, 71423, 129860, 142846, 285692, 357115, 714230, 1428460]

約数ペア:

[(1, 1428460), (2, 714230), (4, 357115), (5, 285692), (10, 142846), (11, 129860), (20, 71423), (22, 64930), (43, 33220), (44, 32465), (55, 25972), (86, 16610), (110, 12986), (151, 9460), (172, 8305), (215, 6644), (220, 6493), (302, 4730), (430, 3322), (473, 3020), (604, 2365), (755, 1892), (860, 1661), (946, 1510)]