68387620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2531}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 165045888

約数和(自身を除く): 96658268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2531, 2702, 3860, 5062, 5404, 6755, 10124, 12655, 13510, 17717, 25310, 27020, 35434, 50620, 70868, 88585, 177170, 354340, 488483, 976966, 1953932, 2442415, 3419381, 4884830, 6838762, 9769660, 13677524, 17096905, 34193810, 68387620]

約数ペア:

[(1, 68387620), (2, 34193810), (4, 17096905), (5, 13677524), (7, 9769660), (10, 6838762), (14, 4884830), (20, 3419381), (28, 2442415), (35, 1953932), (70, 976966), (140, 488483), (193, 354340), (386, 177170), (772, 88585), (965, 70868), (1351, 50620), (1930, 35434), (2531, 27020), (2702, 25310), (3860, 17717), (5062, 13510), (5404, 12655), (6755, 10124)]