507342920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1811939}}^1$

素因数の和:1811957

約数の個数: 32

約数和(自身を含む): 1304596800

約数和(自身を除く): 797253880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1811939, 3623878, 7247756, 9059695, 12683573, 14495512, 18119390, 25367146, 36238780, 50734292, 63417865, 72477560, 101468584, 126835730, 253671460, 507342920]

約数ペア:

[(1, 507342920), (2, 253671460), (4, 126835730), (5, 101468584), (7, 72477560), (8, 63417865), (10, 50734292), (14, 36238780), (20, 25367146), (28, 18119390), (35, 14495512), (40, 12683573), (56, 9059695), (70, 7247756), (140, 3623878), (280, 1811939)]