199944840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{38749}}^1$

素因数の和:38806

約数の個数: 64

約数和(自身を含む): 613800000

約数和(自身を除く): 413855160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 38749, 77498, 116247, 154996, 193745, 232494, 309992, 387490, 464988, 581235, 774980, 929976, 1162470, 1549960, 1666207, 2324940, 3332414, 4649880, 4998621, 6664828, 8331035, 9997242, 13329656, 16662070, 19994484, 24993105, 33324140, 39988968, 49986210, 66648280, 99972420, 199944840]

約数ペア:

[(1, 199944840), (2, 99972420), (3, 66648280), (4, 49986210), (5, 39988968), (6, 33324140), (8, 24993105), (10, 19994484), (12, 16662070), (15, 13329656), (20, 9997242), (24, 8331035), (30, 6664828), (40, 4998621), (43, 4649880), (60, 3332414), (86, 2324940), (120, 1666207), (129, 1549960), (172, 1162470), (215, 929976), (258, 774980), (344, 581235), (430, 464988), (516, 387490), (645, 309992), (860, 232494), (1032, 193745), (1290, 154996), (1720, 116247), (2580, 77498), (5160, 38749)]