840221838

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{8501}}^1$

素因数の和:8562

約数の個数: 72

約数和(自身を含む): 2035888920

約数和(自身を除く): 1195667082

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 153, 171, 289, 306, 323, 342, 578, 646, 867, 969, 1734, 1938, 2601, 2907, 5202, 5491, 5814, 8501, 10982, 16473, 17002, 25503, 32946, 49419, 51006, 76509, 98838, 144517, 153018, 161519, 289034, 323038, 433551, 484557, 867102, 969114, 1300653, 1453671, 2456789, 2601306, 2745823, 2907342, 4913578, 5491646, 7370367, 8237469, 14740734, 16474938, 22111101, 24712407, 44222202, 46678991, 49424814, 93357982, 140036973, 280073946, 420110919, 840221838]

約数ペア:

[(1, 840221838), (2, 420110919), (3, 280073946), (6, 140036973), (9, 93357982), (17, 49424814), (18, 46678991), (19, 44222202), (34, 24712407), (38, 22111101), (51, 16474938), (57, 14740734), (102, 8237469), (114, 7370367), (153, 5491646), (171, 4913578), (289, 2907342), (306, 2745823), (323, 2601306), (342, 2456789), (578, 1453671), (646, 1300653), (867, 969114), (969, 867102), (1734, 484557), (1938, 433551), (2601, 323038), (2907, 289034), (5202, 161519), (5491, 153018), (5814, 144517), (8501, 98838), (10982, 76509), (16473, 51006), (17002, 49419), (25503, 32946)]