2157830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 4203360

約数和(自身を除く): 2045530

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 277, 410, 554, 779, 1385, 1558, 2770, 3895, 5263, 7790, 10526, 11357, 22714, 26315, 52630, 56785, 113570, 215783, 431566, 1078915, 2157830]

約数ペア:

[(1, 2157830), (2, 1078915), (5, 431566), (10, 215783), (19, 113570), (38, 56785), (41, 52630), (82, 26315), (95, 22714), (190, 11357), (205, 10526), (277, 7790), (410, 5263), (554, 3895), (779, 2770), (1385, 1558)]