207907480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3607}}^1$

素因数の和:3760

約数の個数: 64

約数和(自身を含む): 514356480

約数和(自身を除く): 306449000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 262, 440, 524, 655, 1048, 1310, 1441, 2620, 2882, 3607, 5240, 5764, 7205, 7214, 11528, 14410, 14428, 18035, 28820, 28856, 36070, 39677, 57640, 72140, 79354, 144280, 158708, 198385, 317416, 396770, 472517, 793540, 945034, 1587080, 1890068, 2362585, 3780136, 4725170, 5197687, 9450340, 10395374, 18900680, 20790748, 25988435, 41581496, 51976870, 103953740, 207907480]

約数ペア:

[(1, 207907480), (2, 103953740), (4, 51976870), (5, 41581496), (8, 25988435), (10, 20790748), (11, 18900680), (20, 10395374), (22, 9450340), (40, 5197687), (44, 4725170), (55, 3780136), (88, 2362585), (110, 1890068), (131, 1587080), (220, 945034), (262, 793540), (440, 472517), (524, 396770), (655, 317416), (1048, 198385), (1310, 158708), (1441, 144280), (2620, 79354), (2882, 72140), (3607, 57640), (5240, 39677), (5764, 36070), (7205, 28856), (7214, 28820), (11528, 18035), (14410, 14428)]