200030980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{977}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 436227120

約数和(自身を除く): 236196140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 353, 580, 706, 977, 1412, 1765, 1954, 3530, 3908, 4885, 7060, 9770, 10237, 19540, 20474, 28333, 40948, 51185, 56666, 102370, 113332, 141665, 204740, 283330, 344881, 566660, 689762, 1379524, 1724405, 3448810, 6897620, 10001549, 20003098, 40006196, 50007745, 100015490, 200030980]

約数ペア:

[(1, 200030980), (2, 100015490), (4, 50007745), (5, 40006196), (10, 20003098), (20, 10001549), (29, 6897620), (58, 3448810), (116, 1724405), (145, 1379524), (290, 689762), (353, 566660), (580, 344881), (706, 283330), (977, 204740), (1412, 141665), (1765, 113332), (1954, 102370), (3530, 56666), (3908, 51185), (4885, 40948), (7060, 28333), (9770, 20474), (10237, 19540)]