298974620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2135533}}^1$

素因数の和:2135549

約数の個数: 24

約数和(自身を含む): 717539424

約数和(自身を除く): 418564804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2135533, 4271066, 8542132, 10677665, 14948731, 21355330, 29897462, 42710660, 59794924, 74743655, 149487310, 298974620]

約数ペア:

[(1, 298974620), (2, 149487310), (4, 74743655), (5, 59794924), (7, 42710660), (10, 29897462), (14, 21355330), (20, 14948731), (28, 10677665), (35, 8542132), (70, 4271066), (140, 2135533)]