13872200

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 32550000

約数和(自身を除く): 18677800

約数列:

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

約数ペア:

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