388614890

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{99901}}^1$

素因数の和:100297

約数の個数: 16

約数和(自身を含む): 701312040

約数和(自身を除く): 312697150

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 99901, 199802, 499505, 999010, 38861489, 77722978, 194307445, 388614890]

約数ペア:

[(1, 388614890), (2, 194307445), (5, 77722978), (10, 38861489), (389, 999010), (778, 499505), (1945, 199802), (3890, 99901)]