388442920

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{10567}}^1$

素因数の和:11497

約数の個数: 32

約数和(自身を含む): 875030400

約数和(自身を除く): 486587480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1838, 3676, 4595, 7352, 9190, 10567, 18380, 21134, 36760, 42268, 52835, 84536, 105670, 211340, 422680, 9711073, 19422146, 38844292, 48555365, 77688584, 97110730, 194221460, 388442920]

約数ペア:

[(1, 388442920), (2, 194221460), (4, 97110730), (5, 77688584), (8, 48555365), (10, 38844292), (20, 19422146), (40, 9711073), (919, 422680), (1838, 211340), (3676, 105670), (4595, 84536), (7352, 52835), (9190, 42268), (10567, 36760), (18380, 21134)]