84959980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{606857}}^1$

素因数の和:606873

約数の個数: 24

約数和(自身を含む): 203904288

約数和(自身を除く): 118944308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 606857, 1213714, 2427428, 3034285, 4247999, 6068570, 8495998, 12137140, 16991996, 21239995, 42479990, 84959980]

約数ペア:

[(1, 84959980), (2, 42479990), (4, 21239995), (5, 16991996), (7, 12137140), (10, 8495998), (14, 6068570), (20, 4247999), (28, 3034285), (35, 2427428), (70, 1213714), (140, 606857)]