280385350

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{16349}}^1$

素因数の和:16382

約数の個数: 48

約数和(自身を含む): 608220000

約数和(自身を除く): 327834650

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 343, 350, 490, 686, 1225, 1715, 2450, 3430, 8575, 16349, 17150, 32698, 81745, 114443, 163490, 228886, 408725, 572215, 801101, 817450, 1144430, 1602202, 2861075, 4005505, 5607707, 5722150, 8011010, 11215414, 20027525, 28038535, 40055050, 56077070, 140192675, 280385350]

約数ペア:

[(1, 280385350), (2, 140192675), (5, 56077070), (7, 40055050), (10, 28038535), (14, 20027525), (25, 11215414), (35, 8011010), (49, 5722150), (50, 5607707), (70, 4005505), (98, 2861075), (175, 1602202), (245, 1144430), (343, 817450), (350, 801101), (490, 572215), (686, 408725), (1225, 228886), (1715, 163490), (2450, 114443), (3430, 81745), (8575, 32698), (16349, 17150)]