2019974265

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2087

約数の個数: 96

約数和(自身を含む): 3907612800

約数和(自身を除く): 1887638535

約数列:

[1, 3, 5, 9, 15, 19, 29, 41, 45, 57, 87, 95, 123, 145, 171, 205, 261, 285, 369, 435, 551, 615, 779, 855, 1189, 1305, 1653, 1845, 1987, 2337, 2755, 3567, 3895, 4959, 5945, 5961, 7011, 8265, 9935, 10701, 11685, 17835, 17883, 22591, 24795, 29805, 35055, 37753, 53505, 57623, 67773, 81467, 89415, 112955, 113259, 172869, 188765, 203319, 244401, 288115, 338865, 339777, 407335, 518607, 566295, 733203, 864345, 1016595, 1094837, 1222005, 1547873, 1698885, 2362543, 2593035, 3284511, 3666015, 4643619, 5474185, 7087629, 7739365, 9853533, 11812715, 13930857, 16422555, 21262887, 23218095, 35438145, 44888317, 49267665, 69654285, 106314435, 134664951, 224441585, 403994853, 673324755, 2019974265]

約数ペア:

[(1, 2019974265), (3, 673324755), (5, 403994853), (9, 224441585), (15, 134664951), (19, 106314435), (29, 69654285), (41, 49267665), (45, 44888317), (57, 35438145), (87, 23218095), (95, 21262887), (123, 16422555), (145, 13930857), (171, 11812715), (205, 9853533), (261, 7739365), (285, 7087629), (369, 5474185), (435, 4643619), (551, 3666015), (615, 3284511), (779, 2593035), (855, 2362543), (1189, 1698885), (1305, 1547873), (1653, 1222005), (1845, 1094837), (1987, 1016595), (2337, 864345), (2755, 733203), (3567, 566295), (3895, 518607), (4959, 407335), (5945, 339777), (5961, 338865), (7011, 288115), (8265, 244401), (9935, 203319), (10701, 188765), (11685, 172869), (17835, 113259), (17883, 112955), (22591, 89415), (24795, 81467), (29805, 67773), (35055, 57623), (37753, 53505)]