234678520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2903}}^1$

素因数の和:3004

約数の個数: 64

約数和(自身を含む): 551992320

約数和(自身を除く): 317313800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1720, 1880, 2021, 2903, 4042, 5806, 8084, 10105, 11612, 14515, 16168, 20210, 23224, 29030, 40420, 58060, 80840, 116120, 124829, 136441, 249658, 272882, 499316, 545764, 624145, 682205, 998632, 1091528, 1248290, 1364410, 2496580, 2728820, 4993160, 5457640, 5866963, 11733926, 23467852, 29334815, 46935704, 58669630, 117339260, 234678520]

約数ペア:

[(1, 234678520), (2, 117339260), (4, 58669630), (5, 46935704), (8, 29334815), (10, 23467852), (20, 11733926), (40, 5866963), (43, 5457640), (47, 4993160), (86, 2728820), (94, 2496580), (172, 1364410), (188, 1248290), (215, 1091528), (235, 998632), (344, 682205), (376, 624145), (430, 545764), (470, 499316), (860, 272882), (940, 249658), (1720, 136441), (1880, 124829), (2021, 116120), (2903, 80840), (4042, 58060), (5806, 40420), (8084, 29030), (10105, 23224), (11612, 20210), (14515, 16168)]