720291292

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1091}}^1$

素因数の和:1211

約数の個数: 96

約数和(自身を含む): 1629089280

約数和(自身を除く): 908797988

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 73, 76, 119, 133, 146, 238, 266, 292, 323, 476, 511, 532, 646, 1022, 1091, 1241, 1292, 1387, 2044, 2182, 2261, 2482, 2774, 4364, 4522, 4964, 5548, 7637, 8687, 9044, 9709, 15274, 17374, 18547, 19418, 20729, 23579, 30548, 34748, 37094, 38836, 41458, 47158, 74188, 79643, 82916, 94316, 129829, 145103, 159286, 165053, 259658, 290206, 318572, 330106, 352393, 519316, 557501, 580412, 660212, 704786, 1115002, 1353931, 1409572, 1513217, 2230004, 2466751, 2707862, 3026434, 4933502, 5415724, 6052868, 9477517, 9867004, 10592519, 18955034, 21185038, 25724689, 37910068, 42370076, 51449378, 102898756, 180072823, 360145646, 720291292]

約数ペア:

[(1, 720291292), (2, 360145646), (4, 180072823), (7, 102898756), (14, 51449378), (17, 42370076), (19, 37910068), (28, 25724689), (34, 21185038), (38, 18955034), (68, 10592519), (73, 9867004), (76, 9477517), (119, 6052868), (133, 5415724), (146, 4933502), (238, 3026434), (266, 2707862), (292, 2466751), (323, 2230004), (476, 1513217), (511, 1409572), (532, 1353931), (646, 1115002), (1022, 704786), (1091, 660212), (1241, 580412), (1292, 557501), (1387, 519316), (2044, 352393), (2182, 330106), (2261, 318572), (2482, 290206), (2774, 259658), (4364, 165053), (4522, 159286), (4964, 145103), (5548, 129829), (7637, 94316), (8687, 82916), (9044, 79643), (9709, 74188), (15274, 47158), (17374, 41458), (18547, 38836), (19418, 37094), (20729, 34748), (23579, 30548)]