18030040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9199}}^1$

素因数の和:9224

約数の個数: 48

約数和(自身を含む): 47196000

約数和(自身を除く): 29165960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9199, 18398, 36796, 45995, 64393, 73592, 91990, 128786, 183980, 257572, 321965, 367960, 450751, 515144, 643930, 901502, 1287860, 1803004, 2253755, 2575720, 3606008, 4507510, 9015020, 18030040]

約数ペア:

[(1, 18030040), (2, 9015020), (4, 4507510), (5, 3606008), (7, 2575720), (8, 2253755), (10, 1803004), (14, 1287860), (20, 901502), (28, 643930), (35, 515144), (40, 450751), (49, 367960), (56, 321965), (70, 257572), (98, 183980), (140, 128786), (196, 91990), (245, 73592), (280, 64393), (392, 45995), (490, 36796), (980, 18398), (1960, 9199)]