140178580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{3803}}^1$

素因数の和:3928

約数の個数: 48

約数和(自身を含む): 313145280

約数和(自身を除く): 172966700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 3686, 3803, 7372, 7606, 9215, 15212, 18430, 19015, 36860, 38030, 72257, 76060, 144514, 289028, 361285, 368891, 722570, 737782, 1445140, 1475564, 1844455, 3688910, 7008929, 7377820, 14017858, 28035716, 35044645, 70089290, 140178580]

約数ペア:

[(1, 140178580), (2, 70089290), (4, 35044645), (5, 28035716), (10, 14017858), (19, 7377820), (20, 7008929), (38, 3688910), (76, 1844455), (95, 1475564), (97, 1445140), (190, 737782), (194, 722570), (380, 368891), (388, 361285), (485, 289028), (970, 144514), (1843, 76060), (1940, 72257), (3686, 38030), (3803, 36860), (7372, 19015), (7606, 18430), (9215, 15212)]