191319520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1113

約数の個数: 144

約数和(自身を含む): 549164448

約数和(自身を除く): 357844928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 920, 980, 1061, 1120, 1127, 1288, 1568, 1610, 1840, 1960, 2122, 2254, 2576, 3220, 3680, 3920, 4244, 4508, 5152, 5305, 5635, 6440, 7427, 7840, 8488, 9016, 10610, 11270, 12880, 14854, 16976, 18032, 21220, 22540, 24403, 25760, 29708, 33952, 36064, 37135, 42440, 45080, 48806, 51989, 59416, 74270, 84880, 90160, 97612, 103978, 118832, 122015, 148540, 169760, 170821, 180320, 195224, 207956, 237664, 244030, 259945, 297080, 341642, 390448, 415912, 488060, 519890, 594160, 683284, 780896, 831824, 854105, 976120, 1039780, 1188320, 1195747, 1366568, 1663648, 1708210, 1952240, 2079560, 2391494, 2733136, 3416420, 3904480, 4159120, 4782988, 5466272, 5978735, 6832840, 8318240, 9565976, 11957470, 13665680, 19131952, 23914940, 27331360, 38263904, 47829880, 95659760, 191319520]

約数ペア:

[(1, 191319520), (2, 95659760), (4, 47829880), (5, 38263904), (7, 27331360), (8, 23914940), (10, 19131952), (14, 13665680), (16, 11957470), (20, 9565976), (23, 8318240), (28, 6832840), (32, 5978735), (35, 5466272), (40, 4782988), (46, 4159120), (49, 3904480), (56, 3416420), (70, 2733136), (80, 2391494), (92, 2079560), (98, 1952240), (112, 1708210), (115, 1663648), (140, 1366568), (160, 1195747), (161, 1188320), (184, 1039780), (196, 976120), (224, 854105), (230, 831824), (245, 780896), (280, 683284), (322, 594160), (368, 519890), (392, 488060), (460, 415912), (490, 390448), (560, 341642), (644, 297080), (736, 259945), (784, 244030), (805, 237664), (920, 207956), (980, 195224), (1061, 180320), (1120, 170821), (1127, 169760), (1288, 148540), (1568, 122015), (1610, 118832), (1840, 103978), (1960, 97612), (2122, 90160), (2254, 84880), (2576, 74270), (3220, 59416), (3680, 51989), (3920, 48806), (4244, 45080), (4508, 42440), (5152, 37135), (5305, 36064), (5635, 33952), (6440, 29708), (7427, 25760), (7840, 24403), (8488, 22540), (9016, 21220), (10610, 18032), (11270, 16976), (12880, 14854)]