740278

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 48

約数和(自身を含む): 1532160

約数和(自身を除く): 791882

約数列:

[1, 2, 7, 11, 14, 19, 22, 23, 38, 46, 77, 121, 133, 154, 161, 209, 242, 253, 266, 322, 418, 437, 506, 847, 874, 1463, 1694, 1771, 2299, 2783, 2926, 3059, 3542, 4598, 4807, 5566, 6118, 9614, 16093, 19481, 32186, 33649, 38962, 52877, 67298, 105754, 370139, 740278]

約数ペア:

[(1, 740278), (2, 370139), (7, 105754), (11, 67298), (14, 52877), (19, 38962), (22, 33649), (23, 32186), (38, 19481), (46, 16093), (77, 9614), (121, 6118), (133, 5566), (154, 4807), (161, 4598), (209, 3542), (242, 3059), (253, 2926), (266, 2783), (322, 2299), (418, 1771), (437, 1694), (506, 1463), (847, 874)]