203425720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5657}}^1$

素因数の和:5728

約数の個数: 64

約数和(自身を含む): 488851200

約数和(自身を除く): 285425480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 3596, 4495, 5657, 7192, 8990, 11314, 17980, 22628, 28285, 35960, 45256, 56570, 113140, 164053, 175367, 226280, 328106, 350734, 656212, 701468, 820265, 876835, 1312424, 1402936, 1640530, 1753670, 3281060, 3507340, 5085643, 6562120, 7014680, 10171286, 20342572, 25428215, 40685144, 50856430, 101712860, 203425720]

約数ペア:

[(1, 203425720), (2, 101712860), (4, 50856430), (5, 40685144), (8, 25428215), (10, 20342572), (20, 10171286), (29, 7014680), (31, 6562120), (40, 5085643), (58, 3507340), (62, 3281060), (116, 1753670), (124, 1640530), (145, 1402936), (155, 1312424), (232, 876835), (248, 820265), (290, 701468), (310, 656212), (580, 350734), (620, 328106), (899, 226280), (1160, 175367), (1240, 164053), (1798, 113140), (3596, 56570), (4495, 45256), (5657, 35960), (7192, 28285), (8990, 22628), (11314, 17980)]