2820708

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 8255520

約数和(自身を除く): 5434812

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 306, 374, 396, 419, 561, 612, 748, 838, 1122, 1257, 1676, 1683, 2244, 2514, 3366, 3771, 4609, 5028, 6732, 7123, 7542, 9218, 13827, 14246, 15084, 18436, 21369, 27654, 28492, 41481, 42738, 55308, 64107, 78353, 82962, 85476, 128214, 156706, 165924, 235059, 256428, 313412, 470118, 705177, 940236, 1410354, 2820708]

約数ペア:

[(1, 2820708), (2, 1410354), (3, 940236), (4, 705177), (6, 470118), (9, 313412), (11, 256428), (12, 235059), (17, 165924), (18, 156706), (22, 128214), (33, 85476), (34, 82962), (36, 78353), (44, 64107), (51, 55308), (66, 42738), (68, 41481), (99, 28492), (102, 27654), (132, 21369), (153, 18436), (187, 15084), (198, 14246), (204, 13827), (306, 9218), (374, 7542), (396, 7123), (419, 6732), (561, 5028), (612, 4609), (748, 3771), (838, 3366), (1122, 2514), (1257, 2244), (1676, 1683)]