77830490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{769}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 145530000

約数和(自身を除く): 67699510

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 349, 698, 769, 1538, 1745, 3490, 3845, 7690, 10121, 20242, 22301, 44602, 50605, 101210, 111505, 223010, 268381, 536762, 1341905, 2683810, 7783049, 15566098, 38915245, 77830490]

約数ペア:

[(1, 77830490), (2, 38915245), (5, 15566098), (10, 7783049), (29, 2683810), (58, 1341905), (145, 536762), (290, 268381), (349, 223010), (698, 111505), (769, 101210), (1538, 50605), (1745, 44602), (3490, 22301), (3845, 20242), (7690, 10121)]