840804965

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 1398249216

約数和(自身を除く): 557444251

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 103, 143, 233, 245, 385, 455, 515, 539, 637, 715, 721, 1001, 1133, 1165, 1339, 1631, 2563, 2695, 3029, 3185, 3605, 5005, 5047, 5665, 6695, 7007, 7931, 8155, 9373, 11417, 12815, 14729, 15145, 17941, 21203, 23999, 25235, 33319, 35035, 39655, 46865, 55517, 57085, 65611, 73645, 89705, 103103, 106015, 119995, 125587, 148421, 166595, 167993, 233233, 263989, 277585, 311987, 328055, 515515, 627935, 721721, 742105, 839965, 1166165, 1175951, 1319945, 1559935, 1632631, 1847923, 2183909, 3431857, 3608605, 5879755, 8163155, 9239615, 10919545, 12935461, 15287363, 17159285, 24022999, 64677305, 76436815, 120114995, 168160993, 840804965]

約数ペア:

[(1, 840804965), (5, 168160993), (7, 120114995), (11, 76436815), (13, 64677305), (35, 24022999), (49, 17159285), (55, 15287363), (65, 12935461), (77, 10919545), (91, 9239615), (103, 8163155), (143, 5879755), (233, 3608605), (245, 3431857), (385, 2183909), (455, 1847923), (515, 1632631), (539, 1559935), (637, 1319945), (715, 1175951), (721, 1166165), (1001, 839965), (1133, 742105), (1165, 721721), (1339, 627935), (1631, 515515), (2563, 328055), (2695, 311987), (3029, 277585), (3185, 263989), (3605, 233233), (5005, 167993), (5047, 166595), (5665, 148421), (6695, 125587), (7007, 119995), (7931, 106015), (8155, 103103), (9373, 89705), (11417, 73645), (12815, 65611), (14729, 57085), (15145, 55517), (17941, 46865), (21203, 39655), (23999, 35035), (25235, 33319)]