129953740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21587}}^1$

素因数の和:21646

約数の個数: 48

約数和(自身を含む): 319156992

約数和(自身を除く): 189203252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 21587, 43174, 86348, 107935, 151109, 215870, 302218, 431740, 604436, 755545, 928241, 1511090, 1856482, 3022180, 3712964, 4641205, 6497687, 9282410, 12995374, 18564820, 25990748, 32488435, 64976870, 129953740]

約数ペア:

[(1, 129953740), (2, 64976870), (4, 32488435), (5, 25990748), (7, 18564820), (10, 12995374), (14, 9282410), (20, 6497687), (28, 4641205), (35, 3712964), (43, 3022180), (70, 1856482), (86, 1511090), (140, 928241), (172, 755545), (215, 604436), (301, 431740), (430, 302218), (602, 215870), (860, 151109), (1204, 107935), (1505, 86348), (3010, 43174), (6020, 21587)]