77265620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{541}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 167816208

約数和(自身を除く): 90550588

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 193, 370, 386, 541, 740, 772, 965, 1082, 1930, 2164, 2705, 3860, 5410, 7141, 10820, 14282, 20017, 28564, 35705, 40034, 71410, 80068, 100085, 104413, 142820, 200170, 208826, 400340, 417652, 522065, 1044130, 2088260, 3863281, 7726562, 15453124, 19316405, 38632810, 77265620]

約数ペア:

[(1, 77265620), (2, 38632810), (4, 19316405), (5, 15453124), (10, 7726562), (20, 3863281), (37, 2088260), (74, 1044130), (148, 522065), (185, 417652), (193, 400340), (370, 208826), (386, 200170), (541, 142820), (740, 104413), (772, 100085), (965, 80068), (1082, 71410), (1930, 40034), (2164, 35705), (2705, 28564), (3860, 20017), (5410, 14282), (7141, 10820)]