77551540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18553}}^1$

素因数の和:18592

約数の個数: 48

約数和(自身を含む): 187024320

約数和(自身を除く): 109472780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 18553, 37106, 74212, 92765, 185530, 204083, 352507, 371060, 408166, 705014, 816332, 1020415, 1410028, 1762535, 2040830, 3525070, 3877577, 4081660, 7050140, 7755154, 15510308, 19387885, 38775770, 77551540]

約数ペア:

[(1, 77551540), (2, 38775770), (4, 19387885), (5, 15510308), (10, 7755154), (11, 7050140), (19, 4081660), (20, 3877577), (22, 3525070), (38, 2040830), (44, 1762535), (55, 1410028), (76, 1020415), (95, 816332), (110, 705014), (190, 408166), (209, 371060), (220, 352507), (380, 204083), (418, 185530), (836, 92765), (1045, 74212), (2090, 37106), (4180, 18553)]