1678270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 3543120

約数和(自身を除く): 1864850

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 73, 95, 110, 121, 146, 190, 209, 242, 365, 418, 605, 730, 803, 1045, 1210, 1387, 1606, 2090, 2299, 2774, 4015, 4598, 6935, 8030, 8833, 11495, 13870, 15257, 17666, 22990, 30514, 44165, 76285, 88330, 152570, 167827, 335654, 839135, 1678270]

約数ペア:

[(1, 1678270), (2, 839135), (5, 335654), (10, 167827), (11, 152570), (19, 88330), (22, 76285), (38, 44165), (55, 30514), (73, 22990), (95, 17666), (110, 15257), (121, 13870), (146, 11495), (190, 8833), (209, 8030), (242, 6935), (365, 4598), (418, 4015), (605, 2774), (730, 2299), (803, 2090), (1045, 1606), (1210, 1387)]