909880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 2189880

約数和(自身を除く): 1280000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 529, 860, 920, 989, 1058, 1720, 1978, 2116, 2645, 3956, 4232, 4945, 5290, 7912, 9890, 10580, 19780, 21160, 22747, 39560, 45494, 90988, 113735, 181976, 227470, 454940, 909880]

約数ペア:

[(1, 909880), (2, 454940), (4, 227470), (5, 181976), (8, 113735), (10, 90988), (20, 45494), (23, 39560), (40, 22747), (43, 21160), (46, 19780), (86, 10580), (92, 9890), (115, 7912), (172, 5290), (184, 4945), (215, 4232), (230, 3956), (344, 2645), (430, 2116), (460, 1978), (529, 1720), (860, 1058), (920, 989)]