2099580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4999}}^1$

素因数の和:5018

約数の個数: 48

約数和(自身を含む): 6720000

約数和(自身を除く): 4620420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4999, 9998, 14997, 19996, 24995, 29994, 34993, 49990, 59988, 69986, 74985, 99980, 104979, 139972, 149970, 174965, 209958, 299940, 349930, 419916, 524895, 699860, 1049790, 2099580]

約数ペア:

[(1, 2099580), (2, 1049790), (3, 699860), (4, 524895), (5, 419916), (6, 349930), (7, 299940), (10, 209958), (12, 174965), (14, 149970), (15, 139972), (20, 104979), (21, 99980), (28, 74985), (30, 69986), (35, 59988), (42, 49990), (60, 34993), (70, 29994), (84, 24995), (105, 19996), (140, 14997), (210, 9998), (420, 4999)]