311944356

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 889761600

約数和(自身を除く): 577817244

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 139, 153, 171, 193, 204, 228, 278, 306, 323, 342, 386, 417, 556, 579, 612, 646, 684, 772, 834, 969, 1158, 1251, 1292, 1668, 1737, 1938, 2316, 2363, 2502, 2641, 2907, 3281, 3474, 3667, 3876, 4726, 5004, 5282, 5814, 6562, 6948, 7089, 7334, 7923, 9452, 9843, 10564, 11001, 11628, 13124, 14178, 14668, 15846, 19686, 21267, 22002, 23769, 26827, 28356, 29529, 31692, 33003, 39372, 42534, 44004, 44897, 47538, 53654, 59058, 62339, 66006, 80481, 85068, 89794, 95076, 107308, 118116, 124678, 132012, 134691, 160962, 179588, 187017, 241443, 249356, 269382, 321924, 374034, 404073, 456059, 482886, 509713, 538764, 561051, 748068, 808146, 912118, 965772, 1019426, 1122102, 1368177, 1529139, 1616292, 1824236, 2038852, 2244204, 2736354, 3058278, 4104531, 4587417, 5472708, 6116556, 8209062, 8665121, 9174834, 16418124, 17330242, 18349668, 25995363, 34660484, 51990726, 77986089, 103981452, 155972178, 311944356]

約数ペア:

[(1, 311944356), (2, 155972178), (3, 103981452), (4, 77986089), (6, 51990726), (9, 34660484), (12, 25995363), (17, 18349668), (18, 17330242), (19, 16418124), (34, 9174834), (36, 8665121), (38, 8209062), (51, 6116556), (57, 5472708), (68, 4587417), (76, 4104531), (102, 3058278), (114, 2736354), (139, 2244204), (153, 2038852), (171, 1824236), (193, 1616292), (204, 1529139), (228, 1368177), (278, 1122102), (306, 1019426), (323, 965772), (342, 912118), (386, 808146), (417, 748068), (556, 561051), (579, 538764), (612, 509713), (646, 482886), (684, 456059), (772, 404073), (834, 374034), (969, 321924), (1158, 269382), (1251, 249356), (1292, 241443), (1668, 187017), (1737, 179588), (1938, 160962), (2316, 134691), (2363, 132012), (2502, 124678), (2641, 118116), (2907, 107308), (3281, 95076), (3474, 89794), (3667, 85068), (3876, 80481), (4726, 66006), (5004, 62339), (5282, 59058), (5814, 53654), (6562, 47538), (6948, 44897), (7089, 44004), (7334, 42534), (7923, 39372), (9452, 33003), (9843, 31692), (10564, 29529), (11001, 28356), (11628, 26827), (13124, 23769), (14178, 22002), (14668, 21267), (15846, 19686)]