2780491670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^2\times {\mathrm{1367}}^1$

素因数の和:1478

約数の個数: 72

約数和(自身を含む): 5642811216

約数和(自身を除く): 2862319546

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 121, 205, 242, 410, 451, 605, 902, 1210, 1367, 1681, 2255, 2734, 3362, 4510, 4961, 6835, 8405, 9922, 13670, 15037, 16810, 18491, 24805, 30074, 36982, 49610, 56047, 75185, 92455, 112094, 150370, 165407, 184910, 203401, 280235, 330814, 406802, 560470, 616517, 827035, 1017005, 1233034, 1654070, 2034010, 2297927, 3082585, 4595854, 6165170, 6781687, 11489635, 13563374, 22979270, 25277197, 33908435, 50554394, 67816870, 126385985, 252771970, 278049167, 556098334, 1390245835, 2780491670]

約数ペア:

[(1, 2780491670), (2, 1390245835), (5, 556098334), (10, 278049167), (11, 252771970), (22, 126385985), (41, 67816870), (55, 50554394), (82, 33908435), (110, 25277197), (121, 22979270), (205, 13563374), (242, 11489635), (410, 6781687), (451, 6165170), (605, 4595854), (902, 3082585), (1210, 2297927), (1367, 2034010), (1681, 1654070), (2255, 1233034), (2734, 1017005), (3362, 827035), (4510, 616517), (4961, 560470), (6835, 406802), (8405, 330814), (9922, 280235), (13670, 203401), (15037, 184910), (16810, 165407), (18491, 150370), (24805, 112094), (30074, 92455), (36982, 75185), (49610, 56047)]