285022556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 668989440

約数和(自身を除く): 383966884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 31, 52, 58, 62, 67, 91, 116, 124, 134, 169, 182, 203, 217, 268, 338, 364, 377, 403, 406, 434, 469, 676, 754, 806, 812, 868, 871, 899, 938, 1183, 1508, 1612, 1742, 1798, 1876, 1943, 2077, 2366, 2639, 2821, 3484, 3596, 3886, 4154, 4732, 4901, 5239, 5278, 5642, 6097, 6293, 7772, 8308, 9802, 10478, 10556, 11284, 11323, 11687, 12194, 12586, 13601, 14539, 19604, 20956, 22646, 23374, 24388, 25172, 25259, 27001, 27202, 29078, 34307, 36673, 45292, 46748, 50518, 54002, 54404, 58156, 60233, 68614, 73346, 79261, 81809, 101036, 108004, 120466, 137228, 146692, 151931, 158522, 163618, 176813, 189007, 240932, 303862, 317044, 327236, 328367, 351013, 353626, 378014, 421631, 607724, 656734, 702026, 707252, 756028, 783029, 843262, 1063517, 1313468, 1404052, 1566058, 1686524, 2127034, 2298569, 2457091, 3132116, 4254068, 4597138, 4914182, 5481203, 9194276, 9828364, 10179377, 10962406, 20358754, 21924812, 40717508, 71255639, 142511278, 285022556]

約数ペア:

[(1, 285022556), (2, 142511278), (4, 71255639), (7, 40717508), (13, 21924812), (14, 20358754), (26, 10962406), (28, 10179377), (29, 9828364), (31, 9194276), (52, 5481203), (58, 4914182), (62, 4597138), (67, 4254068), (91, 3132116), (116, 2457091), (124, 2298569), (134, 2127034), (169, 1686524), (182, 1566058), (203, 1404052), (217, 1313468), (268, 1063517), (338, 843262), (364, 783029), (377, 756028), (403, 707252), (406, 702026), (434, 656734), (469, 607724), (676, 421631), (754, 378014), (806, 353626), (812, 351013), (868, 328367), (871, 327236), (899, 317044), (938, 303862), (1183, 240932), (1508, 189007), (1612, 176813), (1742, 163618), (1798, 158522), (1876, 151931), (1943, 146692), (2077, 137228), (2366, 120466), (2639, 108004), (2821, 101036), (3484, 81809), (3596, 79261), (3886, 73346), (4154, 68614), (4732, 60233), (4901, 58156), (5239, 54404), (5278, 54002), (5642, 50518), (6097, 46748), (6293, 45292), (7772, 36673), (8308, 34307), (9802, 29078), (10478, 27202), (10556, 27001), (11284, 25259), (11323, 25172), (11687, 24388), (12194, 23374), (12586, 22646), (13601, 20956), (14539, 19604)]