155405950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:626

約数の個数: 72

約数和(自身を含む): 339433632

約数和(自身を除く): 184027682

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 137, 175, 245, 274, 350, 463, 490, 685, 926, 959, 1225, 1370, 1918, 2315, 2450, 3241, 3425, 4630, 4795, 6482, 6713, 6850, 9590, 11575, 13426, 16205, 22687, 23150, 23975, 32410, 33565, 45374, 47950, 63431, 67130, 81025, 113435, 126862, 162050, 167825, 226870, 317155, 335650, 444017, 567175, 634310, 888034, 1134350, 1585775, 2220085, 3108119, 3171550, 4440170, 6216238, 11100425, 15540595, 22200850, 31081190, 77702975, 155405950]

約数ペア:

[(1, 155405950), (2, 77702975), (5, 31081190), (7, 22200850), (10, 15540595), (14, 11100425), (25, 6216238), (35, 4440170), (49, 3171550), (50, 3108119), (70, 2220085), (98, 1585775), (137, 1134350), (175, 888034), (245, 634310), (274, 567175), (350, 444017), (463, 335650), (490, 317155), (685, 226870), (926, 167825), (959, 162050), (1225, 126862), (1370, 113435), (1918, 81025), (2315, 67130), (2450, 63431), (3241, 47950), (3425, 45374), (4630, 33565), (4795, 32410), (6482, 23975), (6713, 23150), (6850, 22687), (9590, 16205), (11575, 13426)]