18898600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13499}}^1$

素因数の和:13522

約数の個数: 48

約数和(自身を含む): 50220000

約数和(自身を除く): 31321400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 13499, 26998, 53996, 67495, 94493, 107992, 134990, 188986, 269980, 337475, 377972, 472465, 539960, 674950, 755944, 944930, 1349900, 1889860, 2362325, 2699800, 3779720, 4724650, 9449300, 18898600]

約数ペア:

[(1, 18898600), (2, 9449300), (4, 4724650), (5, 3779720), (7, 2699800), (8, 2362325), (10, 1889860), (14, 1349900), (20, 944930), (25, 755944), (28, 674950), (35, 539960), (40, 472465), (50, 377972), (56, 337475), (70, 269980), (100, 188986), (140, 134990), (175, 107992), (200, 94493), (280, 67495), (350, 53996), (700, 26998), (1400, 13499)]