1988560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 5463936

約数和(自身を除く): 3475376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 67, 70, 80, 106, 112, 134, 140, 212, 265, 268, 280, 335, 371, 424, 469, 530, 536, 560, 670, 742, 848, 938, 1060, 1072, 1340, 1484, 1855, 1876, 2120, 2345, 2680, 2968, 3551, 3710, 3752, 4240, 4690, 5360, 5936, 7102, 7420, 7504, 9380, 14204, 14840, 17755, 18760, 24857, 28408, 29680, 35510, 37520, 49714, 56816, 71020, 99428, 124285, 142040, 198856, 248570, 284080, 397712, 497140, 994280, 1988560]

約数ペア:

[(1, 1988560), (2, 994280), (4, 497140), (5, 397712), (7, 284080), (8, 248570), (10, 198856), (14, 142040), (16, 124285), (20, 99428), (28, 71020), (35, 56816), (40, 49714), (53, 37520), (56, 35510), (67, 29680), (70, 28408), (80, 24857), (106, 18760), (112, 17755), (134, 14840), (140, 14204), (212, 9380), (265, 7504), (268, 7420), (280, 7102), (335, 5936), (371, 5360), (424, 4690), (469, 4240), (530, 3752), (536, 3710), (560, 3551), (670, 2968), (742, 2680), (848, 2345), (938, 2120), (1060, 1876), (1072, 1855), (1340, 1484)]