28055580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1083

約数の個数: 96

約数和(自身を含む): 91209216

約数和(自身を除く): 63153636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 67, 70, 84, 105, 134, 140, 201, 210, 268, 335, 402, 420, 469, 670, 804, 938, 997, 1005, 1340, 1407, 1876, 1994, 2010, 2345, 2814, 2991, 3988, 4020, 4690, 4985, 5628, 5982, 6979, 7035, 9380, 9970, 11964, 13958, 14070, 14955, 19940, 20937, 27916, 28140, 29910, 34895, 41874, 59820, 66799, 69790, 83748, 104685, 133598, 139580, 200397, 209370, 267196, 333995, 400794, 418740, 467593, 667990, 801588, 935186, 1001985, 1335980, 1402779, 1870372, 2003970, 2337965, 2805558, 4007940, 4675930, 5611116, 7013895, 9351860, 14027790, 28055580]

約数ペア:

[(1, 28055580), (2, 14027790), (3, 9351860), (4, 7013895), (5, 5611116), (6, 4675930), (7, 4007940), (10, 2805558), (12, 2337965), (14, 2003970), (15, 1870372), (20, 1402779), (21, 1335980), (28, 1001985), (30, 935186), (35, 801588), (42, 667990), (60, 467593), (67, 418740), (70, 400794), (84, 333995), (105, 267196), (134, 209370), (140, 200397), (201, 139580), (210, 133598), (268, 104685), (335, 83748), (402, 69790), (420, 66799), (469, 59820), (670, 41874), (804, 34895), (938, 29910), (997, 28140), (1005, 27916), (1340, 20937), (1407, 19940), (1876, 14955), (1994, 14070), (2010, 13958), (2345, 11964), (2814, 9970), (2991, 9380), (3988, 7035), (4020, 6979), (4690, 5982), (4985, 5628)]