89283460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21991}}^1$

素因数の和:22036

約数の個数: 48

約数和(自身を含む): 221679360

約数和(自身を除く): 132395900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 21991, 43982, 87964, 109955, 153937, 219910, 307874, 439820, 615748, 637739, 769685, 1275478, 1539370, 2550956, 3078740, 3188695, 4464173, 6377390, 8928346, 12754780, 17856692, 22320865, 44641730, 89283460]

約数ペア:

[(1, 89283460), (2, 44641730), (4, 22320865), (5, 17856692), (7, 12754780), (10, 8928346), (14, 6377390), (20, 4464173), (28, 3188695), (29, 3078740), (35, 2550956), (58, 1539370), (70, 1275478), (116, 769685), (140, 637739), (145, 615748), (203, 439820), (290, 307874), (406, 219910), (580, 153937), (812, 109955), (1015, 87964), (2030, 43982), (4060, 21991)]