78173140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5347}}^1$

素因数の和:5416

約数の個数: 48

約数和(自身を含む): 177895872

約数和(自身を除く): 99722732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 5347, 7310, 10694, 14620, 21388, 26735, 53470, 90899, 106940, 181798, 229921, 363596, 454495, 459842, 908990, 919684, 1149605, 1817980, 2299210, 3908657, 4598420, 7817314, 15634628, 19543285, 39086570, 78173140]

約数ペア:

[(1, 78173140), (2, 39086570), (4, 19543285), (5, 15634628), (10, 7817314), (17, 4598420), (20, 3908657), (34, 2299210), (43, 1817980), (68, 1149605), (85, 919684), (86, 908990), (170, 459842), (172, 454495), (215, 363596), (340, 229921), (430, 181798), (731, 106940), (860, 90899), (1462, 53470), (2924, 26735), (3655, 21388), (5347, 14620), (7310, 10694)]