989300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:788

約数の個数: 36

約数和(自身を含む): 2314956

約数和(自身を除く): 1325656

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 761, 1300, 1522, 3044, 3805, 7610, 9893, 15220, 19025, 19786, 38050, 39572, 49465, 76100, 98930, 197860, 247325, 494650, 989300]

約数ペア:

[(1, 989300), (2, 494650), (4, 247325), (5, 197860), (10, 98930), (13, 76100), (20, 49465), (25, 39572), (26, 38050), (50, 19786), (52, 19025), (65, 15220), (100, 9893), (130, 7610), (260, 3805), (325, 3044), (650, 1522), (761, 1300)]