311990868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3833}}^1$

素因数の和:3886

約数の個数: 144

約数和(自身を含む): 1004814720

約数和(自身を除く): 692823852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 28, 34, 36, 38, 42, 51, 57, 63, 68, 76, 84, 102, 114, 119, 126, 133, 153, 171, 204, 228, 238, 252, 266, 306, 323, 342, 357, 399, 476, 532, 612, 646, 684, 714, 798, 969, 1071, 1197, 1292, 1428, 1596, 1938, 2142, 2261, 2394, 2907, 3833, 3876, 4284, 4522, 4788, 5814, 6783, 7666, 9044, 11499, 11628, 13566, 15332, 20349, 22998, 26831, 27132, 34497, 40698, 45996, 53662, 65161, 68994, 72827, 80493, 81396, 107324, 130322, 137988, 145654, 160986, 195483, 218481, 241479, 260644, 291308, 321972, 390966, 436962, 456127, 482958, 509789, 586449, 655443, 781932, 873924, 912254, 965916, 1019578, 1172898, 1238059, 1310886, 1368381, 1529367, 1824508, 2039156, 2345796, 2476118, 2621772, 2736762, 3058734, 3714177, 4105143, 4588101, 4952236, 5473524, 6117468, 7428354, 8210286, 8666413, 9176202, 11142531, 14856708, 16420572, 17332826, 18352404, 22285062, 25999239, 34665652, 44570124, 51998478, 77997717, 103996956, 155995434, 311990868]

約数ペア:

[(1, 311990868), (2, 155995434), (3, 103996956), (4, 77997717), (6, 51998478), (7, 44570124), (9, 34665652), (12, 25999239), (14, 22285062), (17, 18352404), (18, 17332826), (19, 16420572), (21, 14856708), (28, 11142531), (34, 9176202), (36, 8666413), (38, 8210286), (42, 7428354), (51, 6117468), (57, 5473524), (63, 4952236), (68, 4588101), (76, 4105143), (84, 3714177), (102, 3058734), (114, 2736762), (119, 2621772), (126, 2476118), (133, 2345796), (153, 2039156), (171, 1824508), (204, 1529367), (228, 1368381), (238, 1310886), (252, 1238059), (266, 1172898), (306, 1019578), (323, 965916), (342, 912254), (357, 873924), (399, 781932), (476, 655443), (532, 586449), (612, 509789), (646, 482958), (684, 456127), (714, 436962), (798, 390966), (969, 321972), (1071, 291308), (1197, 260644), (1292, 241479), (1428, 218481), (1596, 195483), (1938, 160986), (2142, 145654), (2261, 137988), (2394, 130322), (2907, 107324), (3833, 81396), (3876, 80493), (4284, 72827), (4522, 68994), (4788, 65161), (5814, 53662), (6783, 45996), (7666, 40698), (9044, 34497), (11499, 27132), (11628, 26831), (13566, 22998), (15332, 20349)]