27891380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1307}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 64604736

約数和(自身を除く): 36713356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1307, 1940, 2134, 2614, 4268, 5228, 5335, 6535, 10670, 13070, 14377, 21340, 26140, 28754, 57508, 71885, 126779, 143770, 253558, 287540, 507116, 633895, 1267790, 1394569, 2535580, 2789138, 5578276, 6972845, 13945690, 27891380]

約数ペア:

[(1, 27891380), (2, 13945690), (4, 6972845), (5, 5578276), (10, 2789138), (11, 2535580), (20, 1394569), (22, 1267790), (44, 633895), (55, 507116), (97, 287540), (110, 253558), (194, 143770), (220, 126779), (388, 71885), (485, 57508), (970, 28754), (1067, 26140), (1307, 21340), (1940, 14377), (2134, 13070), (2614, 10670), (4268, 6535), (5228, 5335)]