246929480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12421}}^1$

素因数の和:12510

約数の個数: 64

約数和(自身を含む): 643956480

約数和(自身を除く): 397027000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 12421, 19880, 24842, 49684, 62105, 86947, 99368, 124210, 173894, 248420, 347788, 434735, 496840, 695576, 869470, 881891, 1738940, 1763782, 3477880, 3527564, 4409455, 6173237, 7055128, 8818910, 12346474, 17637820, 24692948, 30866185, 35275640, 49385896, 61732370, 123464740, 246929480]

約数ペア:

[(1, 246929480), (2, 123464740), (4, 61732370), (5, 49385896), (7, 35275640), (8, 30866185), (10, 24692948), (14, 17637820), (20, 12346474), (28, 8818910), (35, 7055128), (40, 6173237), (56, 4409455), (70, 3527564), (71, 3477880), (140, 1763782), (142, 1738940), (280, 881891), (284, 869470), (355, 695576), (497, 496840), (568, 434735), (710, 347788), (994, 248420), (1420, 173894), (1988, 124210), (2485, 99368), (2840, 86947), (3976, 62105), (4970, 49684), (9940, 24842), (12421, 19880)]