201831280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1021}}^1$

素因数の和:1394

約数の個数: 80

約数和(自身を含む): 538340544

約数和(自身を除く): 336509264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 353, 560, 706, 1021, 1412, 1765, 2042, 2471, 2824, 3530, 4084, 4942, 5105, 5648, 7060, 7147, 8168, 9884, 10210, 12355, 14120, 14294, 16336, 19768, 20420, 24710, 28240, 28588, 35735, 39536, 40840, 49420, 57176, 71470, 81680, 98840, 114352, 142940, 197680, 285880, 360413, 571760, 720826, 1441652, 1802065, 2522891, 2883304, 3604130, 5045782, 5766608, 7208260, 10091564, 12614455, 14416520, 20183128, 25228910, 28833040, 40366256, 50457820, 100915640, 201831280]

約数ペア:

[(1, 201831280), (2, 100915640), (4, 50457820), (5, 40366256), (7, 28833040), (8, 25228910), (10, 20183128), (14, 14416520), (16, 12614455), (20, 10091564), (28, 7208260), (35, 5766608), (40, 5045782), (56, 3604130), (70, 2883304), (80, 2522891), (112, 1802065), (140, 1441652), (280, 720826), (353, 571760), (560, 360413), (706, 285880), (1021, 197680), (1412, 142940), (1765, 114352), (2042, 98840), (2471, 81680), (2824, 71470), (3530, 57176), (4084, 49420), (4942, 40840), (5105, 39536), (5648, 35735), (7060, 28588), (7147, 28240), (8168, 24710), (9884, 20420), (10210, 19768), (12355, 16336), (14120, 14294)]