1245100900

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{64513}}^1$

素因数の和:64720

約数の個数: 36

約数和(自身を含む): 2715910372

約数和(自身を除く): 1470809472

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1930, 3860, 4825, 9650, 19300, 64513, 129026, 258052, 322565, 645130, 1290260, 1612825, 3225650, 6451300, 12451009, 24902018, 49804036, 62255045, 124510090, 249020180, 311275225, 622550450, 1245100900]

約数ペア:

[(1, 1245100900), (2, 622550450), (4, 311275225), (5, 249020180), (10, 124510090), (20, 62255045), (25, 49804036), (50, 24902018), (100, 12451009), (193, 6451300), (386, 3225650), (772, 1612825), (965, 1290260), (1930, 645130), (3860, 322565), (4825, 258052), (9650, 129026), (19300, 64513)]