156986620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1121333}}^1$

素因数の和:1121349

約数の個数: 24

約数和(自身を含む): 376768224

約数和(自身を除く): 219781604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1121333, 2242666, 4485332, 5606665, 7849331, 11213330, 15698662, 22426660, 31397324, 39246655, 78493310, 156986620]

約数ペア:

[(1, 156986620), (2, 78493310), (4, 39246655), (5, 31397324), (7, 22426660), (10, 15698662), (14, 11213330), (20, 7849331), (28, 5606665), (35, 4485332), (70, 2242666), (140, 1121333)]