278889170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{3984131}}^1$

素因数の和:3984145

約数の個数: 16

約数和(自身を含む): 573715008

約数和(自身を除く): 294825838

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 3984131, 7968262, 19920655, 27888917, 39841310, 55777834, 139444585, 278889170]

約数ペア:

[(1, 278889170), (2, 139444585), (5, 55777834), (7, 39841310), (10, 27888917), (14, 19920655), (35, 7968262), (70, 3984131)]