88885990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15091}}^1$

素因数の和:15148

約数の個数: 32

約数和(自身を含む): 173859840

約数和(自身を除く): 84973850

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 15091, 30182, 75455, 150910, 286729, 467821, 573458, 935642, 1433645, 2339105, 2867290, 4678210, 8888599, 17777198, 44442995, 88885990]

約数ペア:

[(1, 88885990), (2, 44442995), (5, 17777198), (10, 8888599), (19, 4678210), (31, 2867290), (38, 2339105), (62, 1433645), (95, 935642), (155, 573458), (190, 467821), (310, 286729), (589, 150910), (1178, 75455), (2945, 30182), (5890, 15091)]