290421920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78919}}^1$

素因数の和:78957

約数の個数: 48

約数和(自身を含む): 715962240

約数和(自身を除く): 425540320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 78919, 157838, 315676, 394595, 631352, 789190, 1262704, 1578380, 1815137, 2525408, 3156760, 3630274, 6313520, 7260548, 9075685, 12627040, 14521096, 18151370, 29042192, 36302740, 58084384, 72605480, 145210960, 290421920]

約数ペア:

[(1, 290421920), (2, 145210960), (4, 72605480), (5, 58084384), (8, 36302740), (10, 29042192), (16, 18151370), (20, 14521096), (23, 12627040), (32, 9075685), (40, 7260548), (46, 6313520), (80, 3630274), (92, 3156760), (115, 2525408), (160, 1815137), (184, 1578380), (230, 1262704), (368, 789190), (460, 631352), (736, 394595), (920, 315676), (1840, 157838), (3680, 78919)]