140399640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{389999}}^1$

素因数の和:390016

約数の個数: 48

約数和(自身を含む): 456300000

約数和(自身を除く): 315900360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 389999, 779998, 1169997, 1559996, 1949995, 2339994, 3119992, 3509991, 3899990, 4679988, 5849985, 7019982, 7799980, 9359976, 11699970, 14039964, 15599960, 17549955, 23399940, 28079928, 35099910, 46799880, 70199820, 140399640]

約数ペア:

[(1, 140399640), (2, 70199820), (3, 46799880), (4, 35099910), (5, 28079928), (6, 23399940), (8, 17549955), (9, 15599960), (10, 14039964), (12, 11699970), (15, 9359976), (18, 7799980), (20, 7019982), (24, 5849985), (30, 4679988), (36, 3899990), (40, 3509991), (45, 3119992), (60, 2339994), (72, 1949995), (90, 1559996), (120, 1169997), (180, 779998), (360, 389999)]