1785156620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{7993}}^1$

素因数の和:8874

約数の個数: 48

約数和(自身を含む): 4042405920

約数和(自身を除く): 2257249300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 859, 1718, 3436, 4295, 7993, 8590, 11167, 15986, 17180, 22334, 31972, 39965, 44668, 55835, 79930, 103909, 111670, 159860, 207818, 223340, 415636, 519545, 1039090, 2078180, 6865987, 13731974, 27463948, 34329935, 68659870, 89257831, 137319740, 178515662, 357031324, 446289155, 892578310, 1785156620]

約数ペア:

[(1, 1785156620), (2, 892578310), (4, 446289155), (5, 357031324), (10, 178515662), (13, 137319740), (20, 89257831), (26, 68659870), (52, 34329935), (65, 27463948), (130, 13731974), (260, 6865987), (859, 2078180), (1718, 1039090), (3436, 519545), (4295, 415636), (7993, 223340), (8590, 207818), (11167, 159860), (15986, 111670), (17180, 103909), (22334, 79930), (31972, 55835), (39965, 44668)]