252446120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{463}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 584305920

約数和(自身を除く): 331859800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 317, 344, 430, 463, 634, 860, 926, 1268, 1585, 1720, 1852, 2315, 2536, 3170, 3704, 4630, 6340, 9260, 12680, 13631, 18520, 19909, 27262, 39818, 54524, 68155, 79636, 99545, 109048, 136310, 146771, 159272, 199090, 272620, 293542, 398180, 545240, 587084, 733855, 796360, 1174168, 1467710, 2935420, 5870840, 6311153, 12622306, 25244612, 31555765, 50489224, 63111530, 126223060, 252446120]

約数ペア:

[(1, 252446120), (2, 126223060), (4, 63111530), (5, 50489224), (8, 31555765), (10, 25244612), (20, 12622306), (40, 6311153), (43, 5870840), (86, 2935420), (172, 1467710), (215, 1174168), (317, 796360), (344, 733855), (430, 587084), (463, 545240), (634, 398180), (860, 293542), (926, 272620), (1268, 199090), (1585, 159272), (1720, 146771), (1852, 136310), (2315, 109048), (2536, 99545), (3170, 79636), (3704, 68155), (4630, 54524), (6340, 39818), (9260, 27262), (12680, 19909), (13631, 18520)]