4137930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2035

約数の個数: 48

約数和(自身を含む): 11232000

約数和(自身を除く): 7094070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 1999, 2070, 3998, 5997, 9995, 11994, 17991, 19990, 29985, 35982, 45977, 59970, 89955, 91954, 137931, 179910, 229885, 275862, 413793, 459770, 689655, 827586, 1379310, 2068965, 4137930]

約数ペア:

[(1, 4137930), (2, 2068965), (3, 1379310), (5, 827586), (6, 689655), (9, 459770), (10, 413793), (15, 275862), (18, 229885), (23, 179910), (30, 137931), (45, 91954), (46, 89955), (69, 59970), (90, 45977), (115, 35982), (138, 29985), (207, 19990), (230, 17991), (345, 11994), (414, 9995), (690, 5997), (1035, 3998), (1999, 2070)]