338920260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{115279}}^1$

素因数の和:115305

約数の個数: 72

約数和(自身を含む): 1103921280

約数和(自身を除く): 765001020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 115279, 230558, 345837, 461116, 576395, 691674, 806953, 1152790, 1383348, 1613906, 1729185, 2305580, 2420859, 3227812, 3458370, 4034765, 4841718, 5648671, 6916740, 8069530, 9683436, 11297342, 12104295, 16139060, 16946013, 22594684, 24208590, 28243355, 33892026, 48417180, 56486710, 67784052, 84730065, 112973420, 169460130, 338920260]

約数ペア:

[(1, 338920260), (2, 169460130), (3, 112973420), (4, 84730065), (5, 67784052), (6, 56486710), (7, 48417180), (10, 33892026), (12, 28243355), (14, 24208590), (15, 22594684), (20, 16946013), (21, 16139060), (28, 12104295), (30, 11297342), (35, 9683436), (42, 8069530), (49, 6916740), (60, 5648671), (70, 4841718), (84, 4034765), (98, 3458370), (105, 3227812), (140, 2420859), (147, 2305580), (196, 1729185), (210, 1613906), (245, 1383348), (294, 1152790), (420, 806953), (490, 691674), (588, 576395), (735, 461116), (980, 345837), (1470, 230558), (2940, 115279)]