395280280

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{10753}}^1$

素因数の和:11683

約数の個数: 32

約数和(自身を含む): 890431200

約数和(自身を除く): 495150920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1838, 3676, 4595, 7352, 9190, 10753, 18380, 21506, 36760, 43012, 53765, 86024, 107530, 215060, 430120, 9882007, 19764014, 39528028, 49410035, 79056056, 98820070, 197640140, 395280280]

約数ペア:

[(1, 395280280), (2, 197640140), (4, 98820070), (5, 79056056), (8, 49410035), (10, 39528028), (20, 19764014), (40, 9882007), (919, 430120), (1838, 215060), (3676, 107530), (4595, 86024), (7352, 53765), (9190, 43012), (10753, 36760), (18380, 21506)]