1975930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 4136832

約数和(自身を除く): 2160902

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 71, 110, 115, 121, 142, 230, 242, 253, 355, 506, 605, 710, 781, 1210, 1265, 1562, 1633, 2530, 2783, 3266, 3905, 5566, 7810, 8165, 8591, 13915, 16330, 17182, 17963, 27830, 35926, 42955, 85910, 89815, 179630, 197593, 395186, 987965, 1975930]

約数ペア:

[(1, 1975930), (2, 987965), (5, 395186), (10, 197593), (11, 179630), (22, 89815), (23, 85910), (46, 42955), (55, 35926), (71, 27830), (110, 17963), (115, 17182), (121, 16330), (142, 13915), (230, 8591), (242, 8165), (253, 7810), (355, 5566), (506, 3905), (605, 3266), (710, 2783), (781, 2530), (1210, 1633), (1265, 1562)]