864220199225

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{9931}}^1\times {\mathrm{4139}}^1$

素因数の和:14138

約数の個数: 36

約数和(自身を含む): 1110240078480

約数和(自身を除く): 246019879255

約数列:

[1, 5, 25, 29, 145, 725, 841, 4139, 4205, 9931, 20695, 21025, 49655, 103475, 120031, 248275, 287999, 600155, 1439995, 3000775, 3480899, 7199975, 8351971, 17404495, 41104409, 41759855, 87022475, 205522045, 208799275, 1027610225, 1192027861, 5960139305, 29800696525, 34568807969, 172844039845, 864220199225]

約数ペア:

[(1, 864220199225), (5, 172844039845), (25, 34568807969), (29, 29800696525), (145, 5960139305), (725, 1192027861), (841, 1027610225), (4139, 208799275), (4205, 205522045), (9931, 87022475), (20695, 41759855), (21025, 41104409), (49655, 17404495), (103475, 8351971), (120031, 7199975), (248275, 3480899), (287999, 3000775), (600155, 1439995)]