208413240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1093}}^1$

素因数の和:1341

約数の個数: 128

約数和(自身を含む): 718364160

約数和(自身を除く): 509950920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 227, 280, 420, 454, 681, 840, 908, 1093, 1135, 1362, 1589, 1816, 2186, 2270, 2724, 3178, 3279, 3405, 4372, 4540, 4767, 5448, 5465, 6356, 6558, 6810, 7651, 7945, 8744, 9080, 9534, 10930, 12712, 13116, 13620, 15302, 15890, 16395, 19068, 21860, 22953, 23835, 26232, 27240, 30604, 31780, 32790, 38136, 38255, 43720, 45906, 47670, 61208, 63560, 65580, 76510, 91812, 95340, 114765, 131160, 153020, 183624, 190680, 229530, 248111, 306040, 459060, 496222, 744333, 918120, 992444, 1240555, 1488666, 1736777, 1984888, 2481110, 2977332, 3473554, 3721665, 4962220, 5210331, 5954664, 6947108, 7443330, 8683885, 9924440, 10420662, 13894216, 14886660, 17367770, 20841324, 26051655, 29773320, 34735540, 41682648, 52103310, 69471080, 104206620, 208413240]

約数ペア:

[(1, 208413240), (2, 104206620), (3, 69471080), (4, 52103310), (5, 41682648), (6, 34735540), (7, 29773320), (8, 26051655), (10, 20841324), (12, 17367770), (14, 14886660), (15, 13894216), (20, 10420662), (21, 9924440), (24, 8683885), (28, 7443330), (30, 6947108), (35, 5954664), (40, 5210331), (42, 4962220), (56, 3721665), (60, 3473554), (70, 2977332), (84, 2481110), (105, 1984888), (120, 1736777), (140, 1488666), (168, 1240555), (210, 992444), (227, 918120), (280, 744333), (420, 496222), (454, 459060), (681, 306040), (840, 248111), (908, 229530), (1093, 190680), (1135, 183624), (1362, 153020), (1589, 131160), (1816, 114765), (2186, 95340), (2270, 91812), (2724, 76510), (3178, 65580), (3279, 63560), (3405, 61208), (4372, 47670), (4540, 45906), (4767, 43720), (5448, 38255), (5465, 38136), (6356, 32790), (6558, 31780), (6810, 30604), (7651, 27240), (7945, 26232), (8744, 23835), (9080, 22953), (9534, 21860), (10930, 19068), (12712, 16395), (13116, 15890), (13620, 15302)]