390474310

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{100379}}^1$

素因数の和:100775

約数の個数: 16

約数和(自身を含む): 704667600

約数和(自身を除く): 314193290

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 100379, 200758, 501895, 1003790, 39047431, 78094862, 195237155, 390474310]

約数ペア:

[(1, 390474310), (2, 195237155), (5, 78094862), (10, 39047431), (389, 1003790), (778, 501895), (1945, 200758), (3890, 100379)]