27744400

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:656

約数の個数: 60

約数和(自身を含む): 67270000

約数和(自身を除く): 39525600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 278, 400, 499, 556, 695, 998, 1112, 1390, 1996, 2224, 2495, 2780, 3475, 3992, 4990, 5560, 6950, 7984, 9980, 11120, 12475, 13900, 19960, 24950, 27800, 39920, 49900, 55600, 69361, 99800, 138722, 199600, 277444, 346805, 554888, 693610, 1109776, 1387220, 1734025, 2774440, 3468050, 5548880, 6936100, 13872200, 27744400]

約数ペア:

[(1, 27744400), (2, 13872200), (4, 6936100), (5, 5548880), (8, 3468050), (10, 2774440), (16, 1734025), (20, 1387220), (25, 1109776), (40, 693610), (50, 554888), (80, 346805), (100, 277444), (139, 199600), (200, 138722), (278, 99800), (400, 69361), (499, 55600), (556, 49900), (695, 39920), (998, 27800), (1112, 24950), (1390, 19960), (1996, 13900), (2224, 12475), (2495, 11120), (2780, 9980), (3475, 7984), (3992, 6950), (4990, 5560)]