209301872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 463720320

約数和(自身を除く): 254418448

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 211, 247, 251, 304, 422, 494, 502, 844, 988, 1004, 1688, 1976, 2008, 2743, 3263, 3376, 3952, 4009, 4016, 4769, 5486, 6526, 8018, 9538, 10972, 13052, 16036, 19076, 21944, 26104, 32072, 38152, 43888, 52117, 52208, 52961, 61997, 64144, 76304, 104234, 105922, 123994, 208468, 211844, 247988, 416936, 423688, 495976, 688493, 833872, 847376, 991952, 1006259, 1376986, 2012518, 2753972, 4025036, 5507944, 8050072, 11015888, 13081367, 16100144, 26162734, 52325468, 104650936, 209301872]

約数ペア:

[(1, 209301872), (2, 104650936), (4, 52325468), (8, 26162734), (13, 16100144), (16, 13081367), (19, 11015888), (26, 8050072), (38, 5507944), (52, 4025036), (76, 2753972), (104, 2012518), (152, 1376986), (208, 1006259), (211, 991952), (247, 847376), (251, 833872), (304, 688493), (422, 495976), (494, 423688), (502, 416936), (844, 247988), (988, 211844), (1004, 208468), (1688, 123994), (1976, 105922), (2008, 104234), (2743, 76304), (3263, 64144), (3376, 61997), (3952, 52961), (4009, 52208), (4016, 52117), (4769, 43888), (5486, 38152), (6526, 32072), (8018, 26104), (9538, 21944), (10972, 19076), (13052, 16036)]