890243480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167339}}^1$

素因数の和:167376

約数の個数: 64

約数和(自身を含む): 2409696000

約数和(自身を除く): 1519452520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 167339, 334678, 669356, 836695, 1171373, 1338712, 1673390, 2342746, 3179441, 3346780, 4685492, 5856865, 6358882, 6693560, 9370984, 11713730, 12717764, 15897205, 22256087, 23427460, 25435528, 31794410, 44512174, 46854920, 63588820, 89024348, 111280435, 127177640, 178048696, 222560870, 445121740, 890243480]

約数ペア:

[(1, 890243480), (2, 445121740), (4, 222560870), (5, 178048696), (7, 127177640), (8, 111280435), (10, 89024348), (14, 63588820), (19, 46854920), (20, 44512174), (28, 31794410), (35, 25435528), (38, 23427460), (40, 22256087), (56, 15897205), (70, 12717764), (76, 11713730), (95, 9370984), (133, 6693560), (140, 6358882), (152, 5856865), (190, 4685492), (266, 3346780), (280, 3179441), (380, 2342746), (532, 1673390), (665, 1338712), (760, 1171373), (1064, 836695), (1330, 669356), (2660, 334678), (5320, 167339)]