1389148900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{6833}}^1$

素因数の和:6973

約数の個数: 72

約数和(自身を含む): 3203232480

約数和(自身を除く): 1814083580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 107, 190, 214, 380, 428, 475, 535, 950, 1070, 1900, 2033, 2140, 2675, 4066, 5350, 6833, 8132, 10165, 10700, 13666, 20330, 27332, 34165, 40660, 50825, 68330, 101650, 129827, 136660, 170825, 203300, 259654, 341650, 519308, 649135, 683300, 731131, 1298270, 1462262, 2596540, 2924524, 3245675, 3655655, 6491350, 7311310, 12982700, 13891489, 14622620, 18278275, 27782978, 36556550, 55565956, 69457445, 73113100, 138914890, 277829780, 347287225, 694574450, 1389148900]

約数ペア:

[(1, 1389148900), (2, 694574450), (4, 347287225), (5, 277829780), (10, 138914890), (19, 73113100), (20, 69457445), (25, 55565956), (38, 36556550), (50, 27782978), (76, 18278275), (95, 14622620), (100, 13891489), (107, 12982700), (190, 7311310), (214, 6491350), (380, 3655655), (428, 3245675), (475, 2924524), (535, 2596540), (950, 1462262), (1070, 1298270), (1900, 731131), (2033, 683300), (2140, 649135), (2675, 519308), (4066, 341650), (5350, 259654), (6833, 203300), (8132, 170825), (10165, 136660), (10700, 129827), (13666, 101650), (20330, 68330), (27332, 50825), (34165, 40660)]