2008151380

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{463}}^1\times {\mathrm{947}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 4249163520

約数和(自身を除く): 2241012140

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 463, 916, 926, 947, 1145, 1852, 1894, 2290, 2315, 3788, 4580, 4630, 4735, 9260, 9470, 18940, 106027, 212054, 216863, 424108, 433726, 438461, 530135, 867452, 876922, 1060270, 1084315, 1753844, 2120540, 2168630, 2192305, 4337260, 4384610, 8769220, 100407569, 200815138, 401630276, 502037845, 1004075690, 2008151380]

約数ペア:

[(1, 2008151380), (2, 1004075690), (4, 502037845), (5, 401630276), (10, 200815138), (20, 100407569), (229, 8769220), (458, 4384610), (463, 4337260), (916, 2192305), (926, 2168630), (947, 2120540), (1145, 1753844), (1852, 1084315), (1894, 1060270), (2290, 876922), (2315, 867452), (3788, 530135), (4580, 438461), (4630, 433726), (4735, 424108), (9260, 216863), (9470, 212054), (18940, 106027)]