520077940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{3853}}^1$

素因数の和:4276

約数の個数: 48

約数和(自身を含む): 1159622352

約数和(自身を除く): 639544412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 397, 794, 1588, 1985, 3853, 3970, 6749, 7706, 7940, 13498, 15412, 19265, 26996, 33745, 38530, 65501, 67490, 77060, 131002, 134980, 262004, 327505, 655010, 1310020, 1529641, 3059282, 6118564, 7648205, 15296410, 26003897, 30592820, 52007794, 104015588, 130019485, 260038970, 520077940]

約数ペア:

[(1, 520077940), (2, 260038970), (4, 130019485), (5, 104015588), (10, 52007794), (17, 30592820), (20, 26003897), (34, 15296410), (68, 7648205), (85, 6118564), (170, 3059282), (340, 1529641), (397, 1310020), (794, 655010), (1588, 327505), (1985, 262004), (3853, 134980), (3970, 131002), (6749, 77060), (7706, 67490), (7940, 65501), (13498, 38530), (15412, 33745), (19265, 26996)]