123450.0000000

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1065

約数の個数: 40

約数和(自身を含む): 11405520

約数和(自身を除く): 6128992

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1021, 1292, 2042, 2584, 4084, 5168, 8168, 16336, 17357, 19399, 34714, 38798, 69428, 77596, 138856, 155192, 277712, 310384, 329783, 659566, 1319132, 2638264, 5276528]

約数ペア:

[(1, 5276528), (2, 2638264), (4, 1319132), (8, 659566), (16, 329783), (17, 310384), (19, 277712), (34, 155192), (38, 138856), (68, 77596), (76, 69428), (136, 38798), (152, 34714), (272, 19399), (304, 17357), (323, 16336), (646, 8168), (1021, 5168), (1292, 4084), (2042, 2584)]