494650

素因数分解:

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

素因数の和:786

約数の個数: 24

約数和(自身を含む): 992124

約数和(自身を除く): 497474

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 761, 1522, 3805, 7610, 9893, 19025, 19786, 38050, 49465, 98930, 247325, 494650]

約数ペア:

[(1, 494650), (2, 247325), (5, 98930), (10, 49465), (13, 38050), (25, 19786), (26, 19025), (50, 9893), (65, 7610), (130, 3805), (325, 1522), (650, 761)]