71656220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{701}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 159213600

約数和(自身を除く): 87557380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 269, 380, 538, 701, 1076, 1345, 1402, 2690, 2804, 3505, 5111, 5380, 7010, 10222, 13319, 14020, 20444, 25555, 26638, 51110, 53276, 66595, 102220, 133190, 188569, 266380, 377138, 754276, 942845, 1885690, 3582811, 3771380, 7165622, 14331244, 17914055, 35828110, 71656220]

約数ペア:

[(1, 71656220), (2, 35828110), (4, 17914055), (5, 14331244), (10, 7165622), (19, 3771380), (20, 3582811), (38, 1885690), (76, 942845), (95, 754276), (190, 377138), (269, 266380), (380, 188569), (538, 133190), (701, 102220), (1076, 66595), (1345, 53276), (1402, 51110), (2690, 26638), (2804, 25555), (3505, 20444), (5111, 14020), (5380, 13319), (7010, 10222)]