123464740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12421}}^1$

素因数の和:12508

約数の個数: 48

約数和(自身を含む): 300513024

約数和(自身を除く): 177048284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 12421, 24842, 49684, 62105, 86947, 124210, 173894, 248420, 347788, 434735, 869470, 881891, 1738940, 1763782, 3527564, 4409455, 6173237, 8818910, 12346474, 17637820, 24692948, 30866185, 61732370, 123464740]

約数ペア:

[(1, 123464740), (2, 61732370), (4, 30866185), (5, 24692948), (7, 17637820), (10, 12346474), (14, 8818910), (20, 6173237), (28, 4409455), (35, 3527564), (70, 1763782), (71, 1738940), (140, 881891), (142, 869470), (284, 434735), (355, 347788), (497, 248420), (710, 173894), (994, 124210), (1420, 86947), (1988, 62105), (2485, 49684), (4970, 24842), (9940, 12421)]