2009922220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{52369}}^1$

素因数の和:52498

約数の個数: 48

約数和(自身を含む): 4487061600

約数和(自身を除く): 2477139380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 3838, 7676, 9595, 19190, 38380, 52369, 104738, 209476, 261845, 523690, 995011, 1047380, 1990022, 3980044, 4975055, 5289269, 9950110, 10578538, 19900220, 21157076, 26446345, 52892690, 100496111, 105785380, 200992222, 401984444, 502480555, 1004961110, 2009922220]

約数ペア:

[(1, 2009922220), (2, 1004961110), (4, 502480555), (5, 401984444), (10, 200992222), (19, 105785380), (20, 100496111), (38, 52892690), (76, 26446345), (95, 21157076), (101, 19900220), (190, 10578538), (202, 9950110), (380, 5289269), (404, 4975055), (505, 3980044), (1010, 1990022), (1919, 1047380), (2020, 995011), (3838, 523690), (7676, 261845), (9595, 209476), (19190, 104738), (38380, 52369)]