28291238290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{11863}}^1$

素因数の和:12072

約数の個数: 96

約数和(自身を含む): 61543977984

約数和(自身を除く): 33252739694

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 157, 217, 245, 310, 314, 434, 490, 785, 1085, 1099, 1519, 1570, 2170, 2198, 3038, 4867, 5495, 7595, 7693, 9734, 10990, 11863, 15190, 15386, 23726, 24335, 34069, 38465, 48670, 59315, 68138, 76930, 83041, 118630, 166082, 170345, 238483, 340690, 367753, 415205, 476966, 581287, 735506, 830410, 1162574, 1192415, 1838765, 1862491, 2384830, 2574271, 2906435, 3677530, 3724982, 5148542, 5812870, 9312455, 12871355, 13037437, 18019897, 18624910, 25742710, 26074874, 36039794, 57737221, 65187185, 90099485, 91262059, 115474442, 130374370, 180198970, 182524118, 288686105, 404160547, 456310295, 577372210, 808321094, 912620590, 2020802735, 2829123829, 4041605470, 5658247658, 14145619145, 28291238290]

約数ペア:

[(1, 28291238290), (2, 14145619145), (5, 5658247658), (7, 4041605470), (10, 2829123829), (14, 2020802735), (31, 912620590), (35, 808321094), (49, 577372210), (62, 456310295), (70, 404160547), (98, 288686105), (155, 182524118), (157, 180198970), (217, 130374370), (245, 115474442), (310, 91262059), (314, 90099485), (434, 65187185), (490, 57737221), (785, 36039794), (1085, 26074874), (1099, 25742710), (1519, 18624910), (1570, 18019897), (2170, 13037437), (2198, 12871355), (3038, 9312455), (4867, 5812870), (5495, 5148542), (7595, 3724982), (7693, 3677530), (9734, 2906435), (10990, 2574271), (11863, 2384830), (15190, 1862491), (15386, 1838765), (23726, 1192415), (24335, 1162574), (34069, 830410), (38465, 735506), (48670, 581287), (59315, 476966), (68138, 415205), (76930, 367753), (83041, 340690), (118630, 238483), (166082, 170345)]