219645950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{258407}}^1$

素因数の和:258436

約数の個数: 24

約数和(自身を含む): 432574992

約数和(自身を除く): 212929042

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 258407, 516814, 1292035, 2584070, 4392919, 6460175, 8785838, 12920350, 21964595, 43929190, 109822975, 219645950]

約数ペア:

[(1, 219645950), (2, 109822975), (5, 43929190), (10, 21964595), (17, 12920350), (25, 8785838), (34, 6460175), (50, 4392919), (85, 2584070), (170, 1292035), (425, 516814), (850, 258407)]