42991870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{641}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 81816480

約数和(自身を除く): 38824610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 353, 641, 706, 1282, 1765, 3205, 3530, 6410, 6707, 12179, 13414, 24358, 33535, 60895, 67070, 121790, 226273, 452546, 1131365, 2262730, 4299187, 8598374, 21495935, 42991870]

約数ペア:

[(1, 42991870), (2, 21495935), (5, 8598374), (10, 4299187), (19, 2262730), (38, 1131365), (95, 452546), (190, 226273), (353, 121790), (641, 67070), (706, 60895), (1282, 33535), (1765, 24358), (3205, 13414), (3530, 12179), (6410, 6707)]