143885840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{256939}}^1$

素因数の和:256959

約数の個数: 40

約数和(自身を含む): 382326720

約数和(自身を除く): 238440880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 256939, 513878, 1027756, 1284695, 1798573, 2055512, 2569390, 3597146, 4111024, 5138780, 7194292, 8992865, 10277560, 14388584, 17985730, 20555120, 28777168, 35971460, 71942920, 143885840]

約数ペア:

[(1, 143885840), (2, 71942920), (4, 35971460), (5, 28777168), (7, 20555120), (8, 17985730), (10, 14388584), (14, 10277560), (16, 8992865), (20, 7194292), (28, 5138780), (35, 4111024), (40, 3597146), (56, 2569390), (70, 2055512), (80, 1798573), (112, 1284695), (140, 1027756), (280, 513878), (560, 256939)]