2864790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 7534800

約数和(自身を除く): 4670010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 229, 278, 417, 458, 687, 695, 834, 1145, 1251, 1374, 1390, 2061, 2085, 2290, 2502, 3435, 4122, 4170, 6255, 6870, 10305, 12510, 20610, 31831, 63662, 95493, 159155, 190986, 286479, 318310, 477465, 572958, 954930, 1432395, 2864790]

約数ペア:

[(1, 2864790), (2, 1432395), (3, 954930), (5, 572958), (6, 477465), (9, 318310), (10, 286479), (15, 190986), (18, 159155), (30, 95493), (45, 63662), (90, 31831), (139, 20610), (229, 12510), (278, 10305), (417, 6870), (458, 6255), (687, 4170), (695, 4122), (834, 3435), (1145, 2502), (1251, 2290), (1374, 2085), (1390, 2061)]