870844220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{593}}^1\times {\mathrm{727}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 1852538688

約数和(自身を除く): 981694468

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 593, 727, 1010, 1186, 1454, 2020, 2372, 2908, 2965, 3635, 5930, 7270, 11860, 14540, 59893, 73427, 119786, 146854, 239572, 293708, 299465, 367135, 431111, 598930, 734270, 862222, 1197860, 1468540, 1724444, 2155555, 4311110, 8622220, 43542211, 87084422, 174168844, 217711055, 435422110, 870844220]

約数ペア:

[(1, 870844220), (2, 435422110), (4, 217711055), (5, 174168844), (10, 87084422), (20, 43542211), (101, 8622220), (202, 4311110), (404, 2155555), (505, 1724444), (593, 1468540), (727, 1197860), (1010, 862222), (1186, 734270), (1454, 598930), (2020, 431111), (2372, 367135), (2908, 299465), (2965, 293708), (3635, 239572), (5930, 146854), (7270, 119786), (11860, 73427), (14540, 59893)]