191522920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1606

約数の個数: 64

約数和(自身を含む): 446556240

約数和(自身を除く): 255033320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 424, 488, 530, 610, 1060, 1220, 1481, 2120, 2440, 2962, 3233, 5924, 6466, 7405, 11848, 12932, 14810, 16165, 25864, 29620, 32330, 59240, 64660, 78493, 90341, 129320, 156986, 180682, 313972, 361364, 392465, 451705, 627944, 722728, 784930, 903410, 1569860, 1806820, 3139720, 3613640, 4788073, 9576146, 19152292, 23940365, 38304584, 47880730, 95761460, 191522920]

約数ペア:

[(1, 191522920), (2, 95761460), (4, 47880730), (5, 38304584), (8, 23940365), (10, 19152292), (20, 9576146), (40, 4788073), (53, 3613640), (61, 3139720), (106, 1806820), (122, 1569860), (212, 903410), (244, 784930), (265, 722728), (305, 627944), (424, 451705), (488, 392465), (530, 361364), (610, 313972), (1060, 180682), (1220, 156986), (1481, 129320), (2120, 90341), (2440, 78493), (2962, 64660), (3233, 59240), (5924, 32330), (6466, 29620), (7405, 25864), (11848, 16165), (12932, 14810)]