386482480

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 914807520

約数和(自身を除く): 528325040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 179, 197, 274, 358, 394, 548, 685, 716, 788, 895, 985, 1096, 1370, 1432, 1576, 1790, 1970, 2192, 2740, 2864, 3152, 3580, 3940, 5480, 7160, 7880, 10960, 14320, 15760, 24523, 26989, 35263, 49046, 53978, 70526, 98092, 107956, 122615, 134945, 141052, 176315, 196184, 215912, 245230, 269890, 282104, 352630, 392368, 431824, 490460, 539780, 564208, 705260, 980920, 1079560, 1410520, 1961840, 2159120, 2821040, 4831031, 9662062, 19324124, 24155155, 38648248, 48310310, 77296496, 96620620, 193241240, 386482480]

約数ペア:

[(1, 386482480), (2, 193241240), (4, 96620620), (5, 77296496), (8, 48310310), (10, 38648248), (16, 24155155), (20, 19324124), (40, 9662062), (80, 4831031), (137, 2821040), (179, 2159120), (197, 1961840), (274, 1410520), (358, 1079560), (394, 980920), (548, 705260), (685, 564208), (716, 539780), (788, 490460), (895, 431824), (985, 392368), (1096, 352630), (1370, 282104), (1432, 269890), (1576, 245230), (1790, 215912), (1970, 196184), (2192, 176315), (2740, 141052), (2864, 134945), (3152, 122615), (3580, 107956), (3940, 98092), (5480, 70526), (7160, 53978), (7880, 49046), (10960, 35263), (14320, 26989), (15760, 24523)]