55779220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{398423}}^1$

素因数の和:398439

約数の個数: 24

約数和(自身を含む): 133870464

約数和(自身を除く): 78091244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 398423, 796846, 1593692, 1992115, 2788961, 3984230, 5577922, 7968460, 11155844, 13944805, 27889610, 55779220]

約数ペア:

[(1, 55779220), (2, 27889610), (4, 13944805), (5, 11155844), (7, 7968460), (10, 5577922), (14, 3984230), (20, 2788961), (28, 1992115), (35, 1593692), (70, 796846), (140, 398423)]