28389460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3001}}^1$

素因数の和:3064

約数の個数: 48

約数和(自身を含む): 66572352

約数和(自身を除く): 38182892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 3001, 4730, 6002, 9460, 12004, 15005, 30010, 33011, 60020, 66022, 129043, 132044, 165055, 258086, 330110, 516172, 645215, 660220, 1290430, 1419473, 2580860, 2838946, 5677892, 7097365, 14194730, 28389460]

約数ペア:

[(1, 28389460), (2, 14194730), (4, 7097365), (5, 5677892), (10, 2838946), (11, 2580860), (20, 1419473), (22, 1290430), (43, 660220), (44, 645215), (55, 516172), (86, 330110), (110, 258086), (172, 165055), (215, 132044), (220, 129043), (430, 66022), (473, 60020), (860, 33011), (946, 30010), (1892, 15005), (2365, 12004), (3001, 9460), (4730, 6002)]