1900278640285

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{3313}}^1\times {\mathrm{10169}}^1$

素因数の和:13905

約数の個数: 32

約数和(自身を含む): 2365977276000

約数和(自身を除く): 465698635715

約数列:

[1, 5, 29, 145, 389, 1945, 3313, 10169, 11281, 16565, 50845, 56405, 96077, 294901, 480385, 1288757, 1474505, 3955741, 6443785, 19778705, 33689897, 37373953, 114716489, 168449485, 186869765, 573582445, 977007013, 4885035065, 13105369933, 65526849665, 380055728057, 1900278640285]

約数ペア:

[(1, 1900278640285), (5, 380055728057), (29, 65526849665), (145, 13105369933), (389, 4885035065), (1945, 977007013), (3313, 573582445), (10169, 186869765), (11281, 168449485), (16565, 114716489), (50845, 37373953), (56405, 33689897), (96077, 19778705), (294901, 6443785), (480385, 3955741), (1288757, 1474505)]