69490540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6991}}^1$

素因数の和:7078

約数の個数: 48

約数和(自身を含む): 169150464

約数和(自身を除く): 99659924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 6991, 9940, 13982, 27964, 34955, 48937, 69910, 97874, 139820, 195748, 244685, 489370, 496361, 978740, 992722, 1985444, 2481805, 3474527, 4963610, 6949054, 9927220, 13898108, 17372635, 34745270, 69490540]

約数ペア:

[(1, 69490540), (2, 34745270), (4, 17372635), (5, 13898108), (7, 9927220), (10, 6949054), (14, 4963610), (20, 3474527), (28, 2481805), (35, 1985444), (70, 992722), (71, 978740), (140, 496361), (142, 489370), (284, 244685), (355, 195748), (497, 139820), (710, 97874), (994, 69910), (1420, 48937), (1988, 34955), (2485, 27964), (4970, 13982), (6991, 9940)]