2912864540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{55147}}^1$

素因数の和:55314

約数の個数: 48

約数和(自身を含む): 6485404800

約数和(自身を除く): 3572540260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 2641, 2780, 5282, 10564, 13205, 26410, 52820, 55147, 110294, 220588, 275735, 551470, 1047793, 1102940, 2095586, 4191172, 5238965, 7665433, 10477930, 15330866, 20955860, 30661732, 38327165, 76654330, 145643227, 153308660, 291286454, 582572908, 728216135, 1456432270, 2912864540]

約数ペア:

[(1, 2912864540), (2, 1456432270), (4, 728216135), (5, 582572908), (10, 291286454), (19, 153308660), (20, 145643227), (38, 76654330), (76, 38327165), (95, 30661732), (139, 20955860), (190, 15330866), (278, 10477930), (380, 7665433), (556, 5238965), (695, 4191172), (1390, 2095586), (2641, 1102940), (2780, 1047793), (5282, 551470), (10564, 275735), (13205, 220588), (26410, 110294), (52820, 55147)]