2399890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 4821120

約数和(自身を除く): 2421230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 743, 1486, 1615, 3230, 3715, 7430, 12631, 14117, 25262, 28234, 63155, 70585, 126310, 141170, 239989, 479978, 1199945, 2399890]

約数ペア:

[(1, 2399890), (2, 1199945), (5, 479978), (10, 239989), (17, 141170), (19, 126310), (34, 70585), (38, 63155), (85, 28234), (95, 25262), (170, 14117), (190, 12631), (323, 7430), (646, 3715), (743, 3230), (1486, 1615)]