3979220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 9787008

約数和(自身を除く): 5807788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 661, 860, 1204, 1322, 1505, 2644, 3010, 3305, 4627, 6020, 6610, 9254, 13220, 18508, 23135, 28423, 46270, 56846, 92540, 113692, 142115, 198961, 284230, 397922, 568460, 795844, 994805, 1989610, 3979220]

約数ペア:

[(1, 3979220), (2, 1989610), (4, 994805), (5, 795844), (7, 568460), (10, 397922), (14, 284230), (20, 198961), (28, 142115), (35, 113692), (43, 92540), (70, 56846), (86, 46270), (140, 28423), (172, 23135), (215, 18508), (301, 13220), (430, 9254), (602, 6610), (661, 6020), (860, 4627), (1204, 3305), (1322, 3010), (1505, 2644)]