129325840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{230939}}^1$

素因数の和:230959

約数の個数: 40

約数和(自身を含む): 343638720

約数和(自身を除く): 214312880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 230939, 461878, 923756, 1154695, 1616573, 1847512, 2309390, 3233146, 3695024, 4618780, 6466292, 8082865, 9237560, 12932584, 16165730, 18475120, 25865168, 32331460, 64662920, 129325840]

約数ペア:

[(1, 129325840), (2, 64662920), (4, 32331460), (5, 25865168), (7, 18475120), (8, 16165730), (10, 12932584), (14, 9237560), (16, 8082865), (20, 6466292), (28, 4618780), (35, 3695024), (40, 3233146), (56, 2309390), (70, 1847512), (80, 1616573), (112, 1154695), (140, 923756), (280, 461878), (560, 230939)]