70542920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251939}}^1$

素因数の和:251957

約数の個数: 32

約数和(自身を含む): 181396800

約数和(自身を除く): 110853880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 251939, 503878, 1007756, 1259695, 1763573, 2015512, 2519390, 3527146, 5038780, 7054292, 8817865, 10077560, 14108584, 17635730, 35271460, 70542920]

約数ペア:

[(1, 70542920), (2, 35271460), (4, 17635730), (5, 14108584), (7, 10077560), (8, 8817865), (10, 7054292), (14, 5038780), (20, 3527146), (28, 2519390), (35, 2015512), (40, 1763573), (56, 1259695), (70, 1007756), (140, 503878), (280, 251939)]