135772400

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1723}}^1$

素因数の和:1938

約数の個数: 60

約数和(自身を含む): 328039272

約数和(自身を除く): 192266872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 788, 985, 1576, 1723, 1970, 3152, 3446, 3940, 4925, 6892, 7880, 8615, 9850, 13784, 15760, 17230, 19700, 27568, 34460, 39400, 43075, 68920, 78800, 86150, 137840, 172300, 339431, 344600, 678862, 689200, 1357724, 1697155, 2715448, 3394310, 5430896, 6788620, 8485775, 13577240, 16971550, 27154480, 33943100, 67886200, 135772400]

約数ペア:

[(1, 135772400), (2, 67886200), (4, 33943100), (5, 27154480), (8, 16971550), (10, 13577240), (16, 8485775), (20, 6788620), (25, 5430896), (40, 3394310), (50, 2715448), (80, 1697155), (100, 1357724), (197, 689200), (200, 678862), (394, 344600), (400, 339431), (788, 172300), (985, 137840), (1576, 86150), (1723, 78800), (1970, 68920), (3152, 43075), (3446, 39400), (3940, 34460), (4925, 27568), (6892, 19700), (7880, 17230), (8615, 15760), (9850, 13784)]