2663920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 7285248

約数和(自身を除く): 4621328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 71, 80, 112, 134, 140, 142, 268, 280, 284, 335, 355, 469, 497, 536, 560, 568, 670, 710, 938, 994, 1072, 1136, 1340, 1420, 1876, 1988, 2345, 2485, 2680, 2840, 3752, 3976, 4690, 4757, 4970, 5360, 5680, 7504, 7952, 9380, 9514, 9940, 18760, 19028, 19880, 23785, 33299, 37520, 38056, 39760, 47570, 66598, 76112, 95140, 133196, 166495, 190280, 266392, 332990, 380560, 532784, 665980, 1331960, 2663920]

約数ペア:

[(1, 2663920), (2, 1331960), (4, 665980), (5, 532784), (7, 380560), (8, 332990), (10, 266392), (14, 190280), (16, 166495), (20, 133196), (28, 95140), (35, 76112), (40, 66598), (56, 47570), (67, 39760), (70, 38056), (71, 37520), (80, 33299), (112, 23785), (134, 19880), (140, 19028), (142, 18760), (268, 9940), (280, 9514), (284, 9380), (335, 7952), (355, 7504), (469, 5680), (497, 5360), (536, 4970), (560, 4757), (568, 4690), (670, 3976), (710, 3752), (938, 2840), (994, 2680), (1072, 2485), (1136, 2345), (1340, 1988), (1420, 1876)]