257410940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{32917}}^1$

素因数の和:32966

約数の個数: 48

約数和(自身を含む): 597264192

約数和(自身を除く): 339853252

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 32917, 65834, 131668, 164585, 329170, 559589, 658340, 757091, 1119178, 1514182, 2238356, 2797945, 3028364, 3785455, 5595890, 7570910, 11191780, 12870547, 15141820, 25741094, 51482188, 64352735, 128705470, 257410940]

約数ペア:

[(1, 257410940), (2, 128705470), (4, 64352735), (5, 51482188), (10, 25741094), (17, 15141820), (20, 12870547), (23, 11191780), (34, 7570910), (46, 5595890), (68, 3785455), (85, 3028364), (92, 2797945), (115, 2238356), (170, 1514182), (230, 1119178), (340, 757091), (391, 658340), (460, 559589), (782, 329170), (1564, 164585), (1955, 131668), (3910, 65834), (7820, 32917)]