319290860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{325807}}^1$

素因数の和:325830

約数の個数: 36

約数和(自身を含む): 779984352

約数和(自身を除く): 460693492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 325807, 651614, 1303228, 1629035, 2280649, 3258070, 4561298, 6516140, 9122596, 11403245, 15964543, 22806490, 31929086, 45612980, 63858172, 79822715, 159645430, 319290860]

約数ペア:

[(1, 319290860), (2, 159645430), (4, 79822715), (5, 63858172), (7, 45612980), (10, 31929086), (14, 22806490), (20, 15964543), (28, 11403245), (35, 9122596), (49, 6516140), (70, 4561298), (98, 3258070), (140, 2280649), (196, 1629035), (245, 1303228), (490, 651614), (980, 325807)]