30803740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{859}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 71084160

約数和(自身を除く): 40280420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 652, 815, 859, 1630, 1718, 1793, 3260, 3436, 3586, 4295, 7172, 8590, 8965, 9449, 17180, 17930, 18898, 35860, 37796, 47245, 94490, 140017, 188980, 280034, 560068, 700085, 1400170, 1540187, 2800340, 3080374, 6160748, 7700935, 15401870, 30803740]

約数ペア:

[(1, 30803740), (2, 15401870), (4, 7700935), (5, 6160748), (10, 3080374), (11, 2800340), (20, 1540187), (22, 1400170), (44, 700085), (55, 560068), (110, 280034), (163, 188980), (220, 140017), (326, 94490), (652, 47245), (815, 37796), (859, 35860), (1630, 18898), (1718, 17930), (1793, 17180), (3260, 9449), (3436, 8965), (3586, 8590), (4295, 7172)]