390068536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 940584960

約数和(自身を除く): 550516424

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 31, 34, 44, 52, 62, 68, 88, 104, 124, 136, 143, 187, 221, 248, 286, 341, 374, 403, 442, 527, 572, 647, 682, 748, 806, 884, 1054, 1144, 1294, 1364, 1496, 1612, 1768, 2108, 2431, 2588, 2728, 3224, 4216, 4433, 4862, 5176, 5797, 6851, 7117, 8411, 8866, 9724, 10999, 11594, 13702, 14234, 16822, 17732, 19448, 20057, 21998, 23188, 27404, 28468, 33644, 35464, 40114, 43996, 46376, 54808, 56936, 67288, 75361, 80228, 87992, 92521, 120989, 142987, 150722, 160456, 185042, 220627, 241978, 260741, 285974, 301444, 340969, 370084, 441254, 483956, 521482, 571948, 602888, 681938, 740168, 882508, 967912, 1042964, 1143896, 1363876, 1572857, 1765016, 2085928, 2727752, 2868151, 3145714, 3750659, 4432597, 5736302, 6291428, 7501318, 8865194, 11472604, 12582856, 15002636, 17730388, 22945208, 30005272, 35460776, 48758567, 97517134, 195034268, 390068536]

約数ペア:

[(1, 390068536), (2, 195034268), (4, 97517134), (8, 48758567), (11, 35460776), (13, 30005272), (17, 22945208), (22, 17730388), (26, 15002636), (31, 12582856), (34, 11472604), (44, 8865194), (52, 7501318), (62, 6291428), (68, 5736302), (88, 4432597), (104, 3750659), (124, 3145714), (136, 2868151), (143, 2727752), (187, 2085928), (221, 1765016), (248, 1572857), (286, 1363876), (341, 1143896), (374, 1042964), (403, 967912), (442, 882508), (527, 740168), (572, 681938), (647, 602888), (682, 571948), (748, 521482), (806, 483956), (884, 441254), (1054, 370084), (1144, 340969), (1294, 301444), (1364, 285974), (1496, 260741), (1612, 241978), (1768, 220627), (2108, 185042), (2431, 160456), (2588, 150722), (2728, 142987), (3224, 120989), (4216, 92521), (4433, 87992), (4862, 80228), (5176, 75361), (5797, 67288), (6851, 56936), (7117, 54808), (8411, 46376), (8866, 43996), (9724, 40114), (10999, 35464), (11594, 33644), (13702, 28468), (14234, 27404), (16822, 23188), (17732, 21998), (19448, 20057)]