408040208

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{863}}^1\times {\mathrm{1019}}^1$

素因数の和:1919

約数の個数: 40

約数和(自身を含む): 819590400

約数和(自身を除く): 411550192

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 863, 1019, 1726, 2038, 3452, 4076, 6904, 8152, 13808, 16304, 25027, 29551, 50054, 59102, 100108, 118204, 200216, 236408, 400432, 472816, 879397, 1758794, 3517588, 7035176, 14070352, 25502513, 51005026, 102010052, 204020104, 408040208]

約数ペア:

[(1, 408040208), (2, 204020104), (4, 102010052), (8, 51005026), (16, 25502513), (29, 14070352), (58, 7035176), (116, 3517588), (232, 1758794), (464, 879397), (863, 472816), (1019, 400432), (1726, 236408), (2038, 200216), (3452, 118204), (4076, 100108), (6904, 59102), (8152, 50054), (13808, 29551), (16304, 25027)]