78545390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1229}}^1$

素因数の和:1337

約数の個数: 64

約数和(自身を含む): 178536960

約数和(自身を除く): 99991570

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 83, 110, 154, 166, 385, 415, 581, 770, 830, 913, 1162, 1229, 1826, 2458, 2905, 4565, 5810, 6145, 6391, 8603, 9130, 12290, 12782, 13519, 17206, 27038, 31955, 43015, 63910, 67595, 86030, 94633, 102007, 135190, 189266, 204014, 473165, 510035, 714049, 946330, 1020070, 1122077, 1428098, 2244154, 3570245, 5610385, 7140490, 7854539, 11220770, 15709078, 39272695, 78545390]

約数ペア:

[(1, 78545390), (2, 39272695), (5, 15709078), (7, 11220770), (10, 7854539), (11, 7140490), (14, 5610385), (22, 3570245), (35, 2244154), (55, 1428098), (70, 1122077), (77, 1020070), (83, 946330), (110, 714049), (154, 510035), (166, 473165), (385, 204014), (415, 189266), (581, 135190), (770, 102007), (830, 94633), (913, 86030), (1162, 67595), (1229, 63910), (1826, 43015), (2458, 31955), (2905, 27038), (4565, 17206), (5810, 13519), (6145, 12782), (6391, 12290), (8603, 9130)]