299747120

素因数分解:

$2^4\times 5^1\times {\mathrm{3746839}}^1$

素因数の和:3746852

約数の個数: 20

約数和(自身を含む): 696912240

約数和(自身を除く): 397165120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3746839, 7493678, 14987356, 18734195, 29974712, 37468390, 59949424, 74936780, 149873560, 299747120]

約数ペア:

[(1, 299747120), (2, 149873560), (4, 74936780), (5, 59949424), (8, 37468390), (10, 29974712), (16, 18734195), (20, 14987356), (40, 7493678), (80, 3746839)]