2589890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 5037120

約数和(自身を除く): 2447230

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 317, 430, 634, 817, 1585, 1634, 3170, 4085, 6023, 8170, 12046, 13631, 27262, 30115, 60230, 68155, 136310, 258989, 517978, 1294945, 2589890]

約数ペア:

[(1, 2589890), (2, 1294945), (5, 517978), (10, 258989), (19, 136310), (38, 68155), (43, 60230), (86, 30115), (95, 27262), (190, 13631), (215, 12046), (317, 8170), (430, 6023), (634, 4085), (817, 3170), (1585, 1634)]