91269080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4591}}^1$

素因数の和:4680

約数の個数: 64

約数和(自身を含む): 238049280

約数和(自身を除く): 146780200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4591, 4970, 9182, 9940, 18364, 19880, 22955, 32137, 36728, 45910, 64274, 91820, 128548, 160685, 183640, 257096, 321370, 325961, 642740, 651922, 1285480, 1303844, 1629805, 2281727, 2607688, 3259610, 4563454, 6519220, 9126908, 11408635, 13038440, 18253816, 22817270, 45634540, 91269080]

約数ペア:

[(1, 91269080), (2, 45634540), (4, 22817270), (5, 18253816), (7, 13038440), (8, 11408635), (10, 9126908), (14, 6519220), (20, 4563454), (28, 3259610), (35, 2607688), (40, 2281727), (56, 1629805), (70, 1303844), (71, 1285480), (140, 651922), (142, 642740), (280, 325961), (284, 321370), (355, 257096), (497, 183640), (568, 160685), (710, 128548), (994, 91820), (1420, 64274), (1988, 45910), (2485, 36728), (2840, 32137), (3976, 22955), (4591, 19880), (4970, 18364), (9182, 9940)]