8773940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1279}}^1$

素因数の和:1309

約数の個数: 48

約数和(自身を含む): 21504000

約数和(自身を除く): 12730060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1279, 1372, 1715, 2558, 3430, 5116, 6395, 6860, 8953, 12790, 17906, 25580, 35812, 44765, 62671, 89530, 125342, 179060, 250684, 313355, 438697, 626710, 877394, 1253420, 1754788, 2193485, 4386970, 8773940]

約数ペア:

[(1, 8773940), (2, 4386970), (4, 2193485), (5, 1754788), (7, 1253420), (10, 877394), (14, 626710), (20, 438697), (28, 313355), (35, 250684), (49, 179060), (70, 125342), (98, 89530), (140, 62671), (196, 44765), (245, 35812), (343, 25580), (490, 17906), (686, 12790), (980, 8953), (1279, 6860), (1372, 6395), (1715, 5116), (2558, 3430)]