199960040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{714143}}^1$

素因数の和:714161

約数の個数: 32

約数和(自身を含む): 514183680

約数和(自身を除く): 314223640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 714143, 1428286, 2856572, 3570715, 4999001, 5713144, 7141430, 9998002, 14282860, 19996004, 24995005, 28565720, 39992008, 49990010, 99980020, 199960040]

約数ペア:

[(1, 199960040), (2, 99980020), (4, 49990010), (5, 39992008), (7, 28565720), (8, 24995005), (10, 19996004), (14, 14282860), (20, 9998002), (28, 7141430), (35, 5713144), (40, 4999001), (56, 3570715), (70, 2856572), (140, 1428286), (280, 714143)]