918562220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{3271}}^1$

素因数の和:4038

約数の個数: 48

約数和(自身を含む): 2033875200

約数和(自身を除く): 1115312980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 739, 1478, 2956, 3271, 3695, 6542, 7390, 13084, 14041, 14780, 16355, 28082, 32710, 56164, 62149, 65420, 70205, 124298, 140410, 248596, 280820, 310745, 621490, 1242980, 2417269, 4834538, 9669076, 12086345, 24172690, 45928111, 48345380, 91856222, 183712444, 229640555, 459281110, 918562220]

約数ペア:

[(1, 918562220), (2, 459281110), (4, 229640555), (5, 183712444), (10, 91856222), (19, 48345380), (20, 45928111), (38, 24172690), (76, 12086345), (95, 9669076), (190, 4834538), (380, 2417269), (739, 1242980), (1478, 621490), (2956, 310745), (3271, 280820), (3695, 248596), (6542, 140410), (7390, 124298), (13084, 70205), (14041, 65420), (14780, 62149), (16355, 56164), (28082, 32710)]