305970868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 644607936

約数和(自身を除く): 338637068

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 83, 124, 137, 166, 217, 274, 332, 434, 548, 581, 868, 959, 961, 1162, 1918, 1922, 2324, 2573, 3836, 3844, 4247, 5146, 6727, 8494, 10292, 11371, 13454, 16988, 18011, 22742, 26908, 29729, 36022, 45484, 59458, 72044, 79597, 79763, 118916, 131657, 159194, 159526, 263314, 318388, 319052, 352501, 526628, 558341, 705002, 921599, 1116682, 1410004, 1843198, 2233364, 2467507, 3686396, 4935014, 9870028, 10927531, 21855062, 43710124, 76492717, 152985434, 305970868]

約数ペア:

[(1, 305970868), (2, 152985434), (4, 76492717), (7, 43710124), (14, 21855062), (28, 10927531), (31, 9870028), (62, 4935014), (83, 3686396), (124, 2467507), (137, 2233364), (166, 1843198), (217, 1410004), (274, 1116682), (332, 921599), (434, 705002), (548, 558341), (581, 526628), (868, 352501), (959, 319052), (961, 318388), (1162, 263314), (1918, 159526), (1922, 159194), (2324, 131657), (2573, 118916), (3836, 79763), (3844, 79597), (4247, 72044), (5146, 59458), (6727, 45484), (8494, 36022), (10292, 29729), (11371, 26908), (13454, 22742), (16988, 18011)]