899820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{4999}}^1$

素因数の和:5014

約数の個数: 36

約数和(自身を含む): 2730000

約数和(自身を除く): 1830180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 4999, 9998, 14997, 19996, 24995, 29994, 44991, 49990, 59988, 74985, 89982, 99980, 149970, 179964, 224955, 299940, 449910, 899820]

約数ペア:

[(1, 899820), (2, 449910), (3, 299940), (4, 224955), (5, 179964), (6, 149970), (9, 99980), (10, 89982), (12, 74985), (15, 59988), (18, 49990), (20, 44991), (30, 29994), (36, 24995), (45, 19996), (60, 14997), (90, 9998), (180, 4999)]