89820

素因数分解:

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

素因数の和:514

約数の個数: 36

約数和(自身を含む): 273000

約数和(自身を除く): 183180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1497, 1996, 2495, 2994, 4491, 4990, 5988, 7485, 8982, 9980, 14970, 17964, 22455, 29940, 44910, 89820]

約数ペア:

[(1, 89820), (2, 44910), (3, 29940), (4, 22455), (5, 17964), (6, 14970), (9, 9980), (10, 8982), (12, 7485), (15, 5988), (18, 4990), (20, 4491), (30, 2994), (36, 2495), (45, 1996), (60, 1497), (90, 998), (180, 499)]