3318789020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{27763}}^1$

素因数の和:27954

約数の個数: 48

約数和(自身を含む): 7183102080

約数和(自身を除く): 3864313060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 278, 430, 556, 695, 860, 1390, 2780, 5977, 11954, 23908, 27763, 29885, 55526, 59770, 111052, 119540, 138815, 277630, 555260, 1193809, 2387618, 3859057, 4775236, 5969045, 7718114, 11938090, 15436228, 19295285, 23876180, 38590570, 77181140, 165939451, 331878902, 663757804, 829697255, 1659394510, 3318789020]

約数ペア:

[(1, 3318789020), (2, 1659394510), (4, 829697255), (5, 663757804), (10, 331878902), (20, 165939451), (43, 77181140), (86, 38590570), (139, 23876180), (172, 19295285), (215, 15436228), (278, 11938090), (430, 7718114), (556, 5969045), (695, 4775236), (860, 3859057), (1390, 2387618), (2780, 1193809), (5977, 555260), (11954, 277630), (23908, 138815), (27763, 119540), (29885, 111052), (55526, 59770)]