7997140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 18228672

約数和(自身を除く): 10231532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 547, 731, 860, 1094, 1462, 2188, 2735, 2924, 3655, 5470, 7310, 9299, 10940, 14620, 18598, 23521, 37196, 46495, 47042, 92990, 94084, 117605, 185980, 235210, 399857, 470420, 799714, 1599428, 1999285, 3998570, 7997140]

約数ペア:

[(1, 7997140), (2, 3998570), (4, 1999285), (5, 1599428), (10, 799714), (17, 470420), (20, 399857), (34, 235210), (43, 185980), (68, 117605), (85, 94084), (86, 92990), (170, 47042), (172, 46495), (215, 37196), (340, 23521), (430, 18598), (547, 14620), (731, 10940), (860, 9299), (1094, 7310), (1462, 5470), (2188, 3655), (2735, 2924)]