71738870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53939}}^1$

素因数の和:53972

約数の個数: 32

約数和(自身を含む): 155347200

約数和(自身を除く): 83608330

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 53939, 107878, 269695, 377573, 539390, 755146, 1024841, 1887865, 2049682, 3775730, 5124205, 7173887, 10248410, 14347774, 35869435, 71738870]

約数ペア:

[(1, 71738870), (2, 35869435), (5, 14347774), (7, 10248410), (10, 7173887), (14, 5124205), (19, 3775730), (35, 2049682), (38, 1887865), (70, 1024841), (95, 755146), (133, 539390), (190, 377573), (266, 269695), (665, 107878), (1330, 53939)]