7042540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 15966720

約数和(自身を除く): 8924180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 431, 817, 860, 862, 1634, 1724, 2155, 3268, 4085, 4310, 8170, 8189, 8620, 16340, 16378, 18533, 32756, 37066, 40945, 74132, 81890, 92665, 163780, 185330, 352127, 370660, 704254, 1408508, 1760635, 3521270, 7042540]

約数ペア:

[(1, 7042540), (2, 3521270), (4, 1760635), (5, 1408508), (10, 704254), (19, 370660), (20, 352127), (38, 185330), (43, 163780), (76, 92665), (86, 81890), (95, 74132), (172, 40945), (190, 37066), (215, 32756), (380, 18533), (430, 16378), (431, 16340), (817, 8620), (860, 8189), (862, 8170), (1634, 4310), (1724, 4085), (2155, 3268)]