9999220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 26966016

約数和(自身を除く): 16966796

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 151, 154, 172, 215, 220, 301, 302, 308, 385, 430, 473, 602, 604, 755, 770, 860, 946, 1057, 1204, 1505, 1510, 1540, 1661, 1892, 2114, 2365, 3010, 3020, 3311, 3322, 4228, 4730, 5285, 6020, 6493, 6622, 6644, 8305, 9460, 10570, 11627, 12986, 13244, 16555, 16610, 21140, 23254, 25972, 32465, 33110, 33220, 45451, 46508, 58135, 64930, 66220, 71423, 90902, 116270, 129860, 142846, 181804, 227255, 232540, 285692, 357115, 454510, 499961, 714230, 909020, 999922, 1428460, 1999844, 2499805, 4999610, 9999220]

約数ペア:

[(1, 9999220), (2, 4999610), (4, 2499805), (5, 1999844), (7, 1428460), (10, 999922), (11, 909020), (14, 714230), (20, 499961), (22, 454510), (28, 357115), (35, 285692), (43, 232540), (44, 227255), (55, 181804), (70, 142846), (77, 129860), (86, 116270), (110, 90902), (140, 71423), (151, 66220), (154, 64930), (172, 58135), (215, 46508), (220, 45451), (301, 33220), (302, 33110), (308, 32465), (385, 25972), (430, 23254), (473, 21140), (602, 16610), (604, 16555), (755, 13244), (770, 12986), (860, 11627), (946, 10570), (1057, 9460), (1204, 8305), (1505, 6644), (1510, 6622), (1540, 6493), (1661, 6020), (1892, 5285), (2114, 4730), (2365, 4228), (3010, 3322), (3020, 3311)]