49494280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 122316480

約数和(自身を除く): 72822200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 571, 788, 985, 1142, 1576, 1970, 2167, 2284, 2855, 3940, 4334, 4568, 5710, 6281, 7880, 8668, 10835, 11420, 12562, 17336, 21670, 22840, 25124, 31405, 43340, 50248, 62810, 86680, 112487, 125620, 224974, 251240, 449948, 562435, 899896, 1124870, 1237357, 2249740, 2474714, 4499480, 4949428, 6186785, 9898856, 12373570, 24747140, 49494280]

約数ペア:

[(1, 49494280), (2, 24747140), (4, 12373570), (5, 9898856), (8, 6186785), (10, 4949428), (11, 4499480), (20, 2474714), (22, 2249740), (40, 1237357), (44, 1124870), (55, 899896), (88, 562435), (110, 449948), (197, 251240), (220, 224974), (394, 125620), (440, 112487), (571, 86680), (788, 62810), (985, 50248), (1142, 43340), (1576, 31405), (1970, 25124), (2167, 22840), (2284, 21670), (2855, 17336), (3940, 12562), (4334, 11420), (4568, 10835), (5710, 8668), (6281, 7880)]