290568208

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83689}}^1$

素因数の和:83735

約数の個数: 40

約数和(自身を含む): 664163840

約数和(自身を除く): 373595632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 83689, 167378, 334756, 585823, 669512, 1171646, 1339024, 2343292, 2594359, 4686584, 5188718, 9373168, 10377436, 18160513, 20754872, 36321026, 41509744, 72642052, 145284104, 290568208]

約数ペア:

[(1, 290568208), (2, 145284104), (4, 72642052), (7, 41509744), (8, 36321026), (14, 20754872), (16, 18160513), (28, 10377436), (31, 9373168), (56, 5188718), (62, 4686584), (112, 2594359), (124, 2343292), (217, 1339024), (248, 1171646), (434, 669512), (496, 585823), (868, 334756), (1736, 167378), (3472, 83689)]