72805870

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 133293600

約数和(自身を除く): 60487730

約数列:

[1, 2, 5, 10, 131, 149, 262, 298, 373, 655, 745, 746, 1310, 1490, 1865, 3730, 19519, 39038, 48863, 55577, 97595, 97726, 111154, 195190, 244315, 277885, 488630, 555770, 7280587, 14561174, 36402935, 72805870]

約数ペア:

[(1, 72805870), (2, 36402935), (5, 14561174), (10, 7280587), (131, 555770), (149, 488630), (262, 277885), (298, 244315), (373, 195190), (655, 111154), (745, 97726), (746, 97595), (1310, 55577), (1490, 48863), (1865, 39038), (3730, 19519)]