2783018140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19878701}}^1$

素因数の和:19878717

約数の個数: 24

約数和(自身を含む): 6679243872

約数和(自身を除く): 3896225732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19878701, 39757402, 79514804, 99393505, 139150907, 198787010, 278301814, 397574020, 556603628, 695754535, 1391509070, 2783018140]

約数ペア:

[(1, 2783018140), (2, 1391509070), (4, 695754535), (5, 556603628), (7, 397574020), (10, 278301814), (14, 198787010), (20, 139150907), (28, 99393505), (35, 79514804), (70, 39757402), (140, 19878701)]