247996910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1753}}^1$

素因数の和:1857

約数の個数: 64

約数和(自身を含む): 533440512

約数和(自身を除く): 285443602

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 47, 70, 86, 94, 215, 235, 301, 329, 430, 470, 602, 658, 1505, 1645, 1753, 2021, 3010, 3290, 3506, 4042, 8765, 10105, 12271, 14147, 17530, 20210, 24542, 28294, 61355, 70735, 75379, 82391, 122710, 141470, 150758, 164782, 376895, 411955, 527653, 576737, 753790, 823910, 1055306, 1153474, 2638265, 2883685, 3542813, 5276530, 5767370, 7085626, 17714065, 24799691, 35428130, 49599382, 123998455, 247996910]

約数ペア:

[(1, 247996910), (2, 123998455), (5, 49599382), (7, 35428130), (10, 24799691), (14, 17714065), (35, 7085626), (43, 5767370), (47, 5276530), (70, 3542813), (86, 2883685), (94, 2638265), (215, 1153474), (235, 1055306), (301, 823910), (329, 753790), (430, 576737), (470, 527653), (602, 411955), (658, 376895), (1505, 164782), (1645, 150758), (1753, 141470), (2021, 122710), (3010, 82391), (3290, 75379), (3506, 70735), (4042, 61355), (8765, 28294), (10105, 24542), (12271, 20210), (14147, 17530)]