208889680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1061}}^1$

素因数の和:1204

約数の個数: 80

約数和(自身を含む): 512002944

約数和(自身を除く): 303113264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 107, 115, 184, 214, 230, 368, 428, 460, 535, 856, 920, 1061, 1070, 1712, 1840, 2122, 2140, 2461, 4244, 4280, 4922, 5305, 8488, 8560, 9844, 10610, 12305, 16976, 19688, 21220, 24403, 24610, 39376, 42440, 48806, 49220, 84880, 97612, 98440, 113527, 122015, 195224, 196880, 227054, 244030, 390448, 454108, 488060, 567635, 908216, 976120, 1135270, 1816432, 1952240, 2270540, 2611121, 4541080, 5222242, 9082160, 10444484, 13055605, 20888968, 26111210, 41777936, 52222420, 104444840, 208889680]

約数ペア:

[(1, 208889680), (2, 104444840), (4, 52222420), (5, 41777936), (8, 26111210), (10, 20888968), (16, 13055605), (20, 10444484), (23, 9082160), (40, 5222242), (46, 4541080), (80, 2611121), (92, 2270540), (107, 1952240), (115, 1816432), (184, 1135270), (214, 976120), (230, 908216), (368, 567635), (428, 488060), (460, 454108), (535, 390448), (856, 244030), (920, 227054), (1061, 196880), (1070, 195224), (1712, 122015), (1840, 113527), (2122, 98440), (2140, 97612), (2461, 84880), (4244, 49220), (4280, 48806), (4922, 42440), (5305, 39376), (8488, 24610), (8560, 24403), (9844, 21220), (10610, 19688), (12305, 16976)]