215645276

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3449}}^1$

素因数の和:3507

約数の個数: 72

約数和(自身を含む): 495558000

約数和(自身を除く): 279912724

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 154, 196, 203, 308, 319, 406, 539, 638, 812, 1078, 1276, 1421, 2156, 2233, 2842, 3449, 4466, 5684, 6898, 8932, 13796, 15631, 24143, 31262, 37939, 48286, 62524, 75878, 96572, 100021, 151756, 169001, 200042, 265573, 338002, 400084, 531146, 676004, 700147, 1062292, 1100231, 1400294, 1859011, 2200462, 2800588, 3718022, 4400924, 4901029, 7436044, 7701617, 9802058, 15403234, 19604116, 30806468, 53911319, 107822638, 215645276]

約数ペア:

[(1, 215645276), (2, 107822638), (4, 53911319), (7, 30806468), (11, 19604116), (14, 15403234), (22, 9802058), (28, 7701617), (29, 7436044), (44, 4901029), (49, 4400924), (58, 3718022), (77, 2800588), (98, 2200462), (116, 1859011), (154, 1400294), (196, 1100231), (203, 1062292), (308, 700147), (319, 676004), (406, 531146), (539, 400084), (638, 338002), (812, 265573), (1078, 200042), (1276, 169001), (1421, 151756), (2156, 100021), (2233, 96572), (2842, 75878), (3449, 62524), (4466, 48286), (5684, 37939), (6898, 31262), (8932, 24143), (13796, 15631)]