1856817170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^2\times {\mathrm{761}}^1$

素因数の和:1055

約数の個数: 48

約数和(自身を含む): 3630597768

約数和(自身を除く): 1773780598

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 761, 1370, 1522, 1781, 3562, 3805, 7610, 8905, 9893, 17810, 18769, 19786, 37538, 49465, 93845, 98930, 104257, 187690, 208514, 243997, 487994, 521285, 1042570, 1219985, 1355341, 2439970, 2710682, 6776705, 13553410, 14283209, 28566418, 71416045, 142832090, 185681717, 371363434, 928408585, 1856817170]

約数ペア:

[(1, 1856817170), (2, 928408585), (5, 371363434), (10, 185681717), (13, 142832090), (26, 71416045), (65, 28566418), (130, 14283209), (137, 13553410), (274, 6776705), (685, 2710682), (761, 2439970), (1370, 1355341), (1522, 1219985), (1781, 1042570), (3562, 521285), (3805, 487994), (7610, 243997), (8905, 208514), (9893, 187690), (17810, 104257), (18769, 98930), (19786, 93845), (37538, 49465)]