338965775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 453720960

約数和(自身を除く): 114755185

約数列:

[1, 5, 25, 29, 43, 83, 131, 145, 215, 415, 655, 725, 1075, 1247, 2075, 2407, 3275, 3569, 3799, 5633, 6235, 10873, 12035, 17845, 18995, 28165, 31175, 54365, 60175, 89225, 94975, 103501, 140825, 163357, 271825, 315317, 467539, 517505, 816785, 1576585, 2337695, 2587525, 4083925, 7882925, 11688475, 13558631, 67793155, 338965775]

約数ペア:

[(1, 338965775), (5, 67793155), (25, 13558631), (29, 11688475), (43, 7882925), (83, 4083925), (131, 2587525), (145, 2337695), (215, 1576585), (415, 816785), (655, 517505), (725, 467539), (1075, 315317), (1247, 271825), (2075, 163357), (2407, 140825), (3275, 103501), (3569, 94975), (3799, 89225), (5633, 60175), (6235, 54365), (10873, 31175), (12035, 28165), (17845, 18995)]