205646740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21377}}^1$

素因数の和:21436

約数の個数: 48

約数和(自身を含む): 477670032

約数和(自身を除く): 272023292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 21377, 42754, 85508, 106885, 213770, 277901, 427540, 555802, 790949, 1111604, 1389505, 1581898, 2779010, 3163796, 3954745, 5558020, 7909490, 10282337, 15818980, 20564674, 41129348, 51411685, 102823370, 205646740]

約数ペア:

[(1, 205646740), (2, 102823370), (4, 51411685), (5, 41129348), (10, 20564674), (13, 15818980), (20, 10282337), (26, 7909490), (37, 5558020), (52, 3954745), (65, 3163796), (74, 2779010), (130, 1581898), (148, 1389505), (185, 1111604), (260, 790949), (370, 555802), (481, 427540), (740, 277901), (962, 213770), (1924, 106885), (2405, 85508), (4810, 42754), (9620, 21377)]