399275.0000000

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3559}}^1$

素因数の和:3587

約数の個数: 32

約数和(自身を含む): 5767200

約数和(自身を除く): 3347080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3559, 7118, 14236, 17795, 28472, 35590, 60503, 71180, 121006, 142360, 242012, 302515, 484024, 605030, 1210060, 2420120]

約数ペア:

[(1, 2420120), (2, 1210060), (4, 605030), (5, 484024), (8, 302515), (10, 242012), (17, 142360), (20, 121006), (34, 71180), (40, 60503), (68, 35590), (85, 28472), (136, 17795), (170, 14236), (340, 7118), (680, 3559)]