709898180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1\times {\mathrm{1117}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 1528887360

約数和(自身を除く): 818989180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 739, 860, 1117, 1478, 2234, 2956, 3695, 4468, 5585, 7390, 11170, 14780, 22340, 31777, 48031, 63554, 96062, 127108, 158885, 192124, 240155, 317770, 480310, 635540, 825463, 960620, 1650926, 3301852, 4127315, 8254630, 16509260, 35494909, 70989818, 141979636, 177474545, 354949090, 709898180]

約数ペア:

[(1, 709898180), (2, 354949090), (4, 177474545), (5, 141979636), (10, 70989818), (20, 35494909), (43, 16509260), (86, 8254630), (172, 4127315), (215, 3301852), (430, 1650926), (739, 960620), (860, 825463), (1117, 635540), (1478, 480310), (2234, 317770), (2956, 240155), (3695, 192124), (4468, 158885), (5585, 127108), (7390, 96062), (11170, 63554), (14780, 48031), (22340, 31777)]