1319214820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1759}}^1$

素因数の和:2273

約数の個数: 96

約数和(自身を含む): 3463004160

約数和(自身を除く): 2143789340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 487, 770, 974, 1540, 1759, 1948, 2435, 3409, 3518, 4870, 5357, 6818, 7036, 8795, 9740, 10714, 12313, 13636, 17045, 17590, 19349, 21428, 24626, 26785, 34090, 35180, 37499, 38698, 49252, 53570, 61565, 68180, 74998, 77396, 96745, 107140, 123130, 135443, 149996, 187495, 193490, 246260, 270886, 374990, 386980, 541772, 677215, 749980, 856633, 1354430, 1713266, 2708860, 3426532, 4283165, 5996431, 8566330, 9422963, 11992862, 17132660, 18845926, 23985724, 29982155, 37691852, 47114815, 59964310, 65960741, 94229630, 119928620, 131921482, 188459260, 263842964, 329803705, 659607410, 1319214820]

約数ペア:

[(1, 1319214820), (2, 659607410), (4, 329803705), (5, 263842964), (7, 188459260), (10, 131921482), (11, 119928620), (14, 94229630), (20, 65960741), (22, 59964310), (28, 47114815), (35, 37691852), (44, 29982155), (55, 23985724), (70, 18845926), (77, 17132660), (110, 11992862), (140, 9422963), (154, 8566330), (220, 5996431), (308, 4283165), (385, 3426532), (487, 2708860), (770, 1713266), (974, 1354430), (1540, 856633), (1759, 749980), (1948, 677215), (2435, 541772), (3409, 386980), (3518, 374990), (4870, 270886), (5357, 246260), (6818, 193490), (7036, 187495), (8795, 149996), (9740, 135443), (10714, 123130), (12313, 107140), (13636, 96745), (17045, 77396), (17590, 74998), (19349, 68180), (21428, 61565), (24626, 53570), (26785, 49252), (34090, 38698), (35180, 37499)]