139246940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{994621}}^1$

素因数の和:994637

約数の個数: 24

約数和(自身を含む): 334192992

約数和(自身を除く): 194946052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 994621, 1989242, 3978484, 4973105, 6962347, 9946210, 13924694, 19892420, 27849388, 34811735, 69623470, 139246940]

約数ペア:

[(1, 139246940), (2, 69623470), (4, 34811735), (5, 27849388), (7, 19892420), (10, 13924694), (14, 9946210), (20, 6962347), (28, 4973105), (35, 3978484), (70, 1989242), (140, 994621)]