208794670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1105

約数の個数: 64

約数和(自身を含む): 446155776

約数和(自身を除く): 237361106

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 71, 86, 142, 215, 301, 355, 430, 497, 602, 710, 977, 994, 1505, 1954, 2485, 3010, 3053, 4885, 4970, 6106, 6839, 9770, 13678, 15265, 21371, 30530, 34195, 42011, 42742, 68390, 69367, 84022, 106855, 138734, 210055, 213710, 294077, 346835, 420110, 485569, 588154, 693670, 971138, 1470385, 2427845, 2940770, 2982781, 4855690, 5965562, 14913905, 20879467, 29827810, 41758934, 104397335, 208794670]

約数ペア:

[(1, 208794670), (2, 104397335), (5, 41758934), (7, 29827810), (10, 20879467), (14, 14913905), (35, 5965562), (43, 4855690), (70, 2982781), (71, 2940770), (86, 2427845), (142, 1470385), (215, 971138), (301, 693670), (355, 588154), (430, 485569), (497, 420110), (602, 346835), (710, 294077), (977, 213710), (994, 210055), (1505, 138734), (1954, 106855), (2485, 84022), (3010, 69367), (3053, 68390), (4885, 42742), (4970, 42011), (6106, 34195), (6839, 30530), (9770, 21371), (13678, 15265)]