154566140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2969}}^1$

素因数の和:3134

約数の個数: 48

約数和(自身を含む): 344282400

約数和(自身を除く): 189716260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 548, 685, 1370, 2603, 2740, 2969, 5206, 5938, 10412, 11876, 13015, 14845, 26030, 29690, 52060, 56411, 59380, 112822, 225644, 282055, 406753, 564110, 813506, 1128220, 1627012, 2033765, 4067530, 7728307, 8135060, 15456614, 30913228, 38641535, 77283070, 154566140]

約数ペア:

[(1, 154566140), (2, 77283070), (4, 38641535), (5, 30913228), (10, 15456614), (19, 8135060), (20, 7728307), (38, 4067530), (76, 2033765), (95, 1627012), (137, 1128220), (190, 813506), (274, 564110), (380, 406753), (548, 282055), (685, 225644), (1370, 112822), (2603, 59380), (2740, 56411), (2969, 52060), (5206, 29690), (5938, 26030), (10412, 14845), (11876, 13015)]