212263480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:941

約数の個数: 128

約数和(自身を含む): 574801920

約数和(自身を除く): 362538440

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 43, 44, 52, 55, 65, 86, 88, 104, 110, 130, 143, 172, 215, 220, 260, 286, 344, 430, 440, 473, 520, 559, 572, 715, 860, 863, 946, 1118, 1144, 1430, 1720, 1726, 1892, 2236, 2365, 2795, 2860, 3452, 3784, 4315, 4472, 4730, 5590, 5720, 6149, 6904, 8630, 9460, 9493, 11180, 11219, 12298, 17260, 18920, 18986, 22360, 22438, 24596, 30745, 34520, 37109, 37972, 44876, 47465, 49192, 56095, 61490, 74218, 75944, 89752, 94930, 112190, 122980, 123409, 148436, 185545, 189860, 224380, 245960, 246818, 296872, 371090, 379720, 408199, 448760, 482417, 493636, 617045, 742180, 816398, 964834, 987272, 1234090, 1484360, 1632796, 1929668, 2040995, 2412085, 2468180, 3265592, 3859336, 4081990, 4824170, 4936360, 5306587, 8163980, 9648340, 10613174, 16327960, 19296680, 21226348, 26532935, 42452696, 53065870, 106131740, 212263480]

約数ペア:

[(1, 212263480), (2, 106131740), (4, 53065870), (5, 42452696), (8, 26532935), (10, 21226348), (11, 19296680), (13, 16327960), (20, 10613174), (22, 9648340), (26, 8163980), (40, 5306587), (43, 4936360), (44, 4824170), (52, 4081990), (55, 3859336), (65, 3265592), (86, 2468180), (88, 2412085), (104, 2040995), (110, 1929668), (130, 1632796), (143, 1484360), (172, 1234090), (215, 987272), (220, 964834), (260, 816398), (286, 742180), (344, 617045), (430, 493636), (440, 482417), (473, 448760), (520, 408199), (559, 379720), (572, 371090), (715, 296872), (860, 246818), (863, 245960), (946, 224380), (1118, 189860), (1144, 185545), (1430, 148436), (1720, 123409), (1726, 122980), (1892, 112190), (2236, 94930), (2365, 89752), (2795, 75944), (2860, 74218), (3452, 61490), (3784, 56095), (4315, 49192), (4472, 47465), (4730, 44876), (5590, 37972), (5720, 37109), (6149, 34520), (6904, 30745), (8630, 24596), (9460, 22438), (9493, 22360), (11180, 18986), (11219, 18920), (12298, 17260)]