194747980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1391057}}^1$

素因数の和:1391073

約数の個数: 24

約数和(自身を含む): 467395488

約数和(自身を除く): 272647508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1391057, 2782114, 5564228, 6955285, 9737399, 13910570, 19474798, 27821140, 38949596, 48686995, 97373990, 194747980]

約数ペア:

[(1, 194747980), (2, 97373990), (4, 48686995), (5, 38949596), (7, 27821140), (10, 19474798), (14, 13910570), (20, 9737399), (28, 6955285), (35, 5564228), (70, 2782114), (140, 1391057)]