28505820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1013}}^1$

素因数の和:1099

約数の個数: 96

約数和(自身を含む): 92671488

約数和(自身を除く): 64165668

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, 1005, 1013, 1340, 1407, 1876, 2010, 2026, 2345, 2814, 3039, 4020, 4052, 4690, 5065, 5628, 6078, 7035, 7091, 9380, 10130, 12156, 14070, 14182, 15195, 20260, 21273, 28140, 28364, 30390, 35455, 42546, 60780, 67871, 70910, 85092, 106365, 135742, 141820, 203613, 212730, 271484, 339355, 407226, 425460, 475097, 678710, 814452, 950194, 1018065, 1357420, 1425291, 1900388, 2036130, 2375485, 2850582, 4072260, 4750970, 5701164, 7126455, 9501940, 14252910, 28505820]

約数ペア:

[(1, 28505820), (2, 14252910), (3, 9501940), (4, 7126455), (5, 5701164), (6, 4750970), (7, 4072260), (10, 2850582), (12, 2375485), (14, 2036130), (15, 1900388), (20, 1425291), (21, 1357420), (28, 1018065), (30, 950194), (35, 814452), (42, 678710), (60, 475097), (67, 425460), (70, 407226), (84, 339355), (105, 271484), (134, 212730), (140, 203613), (201, 141820), (210, 135742), (268, 106365), (335, 85092), (402, 70910), (420, 67871), (469, 60780), (670, 42546), (804, 35455), (938, 30390), (1005, 28364), (1013, 28140), (1340, 21273), (1407, 20260), (1876, 15195), (2010, 14182), (2026, 14070), (2345, 12156), (2814, 10130), (3039, 9380), (4020, 7091), (4052, 7035), (4690, 6078), (5065, 5628)]