40306644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 117044928

約数和(自身を除く): 76738284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 307, 521, 614, 921, 1042, 1228, 1563, 1842, 2084, 2149, 2763, 3126, 3647, 3684, 4298, 4689, 5526, 6252, 6447, 7294, 8596, 9378, 10941, 11052, 12894, 14588, 18756, 19341, 21882, 25788, 32823, 38682, 43764, 65646, 77364, 131292, 159947, 319894, 479841, 639788, 959682, 1119629, 1439523, 1919364, 2239258, 2879046, 3358887, 4478516, 5758092, 6717774, 10076661, 13435548, 20153322, 40306644]

約数ペア:

[(1, 40306644), (2, 20153322), (3, 13435548), (4, 10076661), (6, 6717774), (7, 5758092), (9, 4478516), (12, 3358887), (14, 2879046), (18, 2239258), (21, 1919364), (28, 1439523), (36, 1119629), (42, 959682), (63, 639788), (84, 479841), (126, 319894), (252, 159947), (307, 131292), (521, 77364), (614, 65646), (921, 43764), (1042, 38682), (1228, 32823), (1563, 25788), (1842, 21882), (2084, 19341), (2149, 18756), (2763, 14588), (3126, 12894), (3647, 11052), (3684, 10941), (4298, 9378), (4689, 8596), (5526, 7294), (6252, 6447)]